| Patent |
Priority |
Assignee |
Title |
| 1120858, |
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| 1502666, |
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| 1640908, |
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| 1675102, |
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| 1786279, |
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| 1854542, |
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| 1896844, |
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| 1908661, |
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| 2228024, |
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| 2324398, |
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| 2385279, |
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| 2612232, |
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| 2643727, |
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| 2701025, |
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| 2732907, |
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| 2784779, |
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| 2804933, |
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| 2835335, |
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| 2896736, |
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| 3041957, |
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| 3139150, |
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| 3232370, |
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| 3236949, |
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| 3382947, |
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| 3416991, |
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| 3435909, |
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| 3517468, |
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| 3592289, |
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| 3618698, |
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| 3630309, |
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| 3665105, |
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| 3697692, |
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| 3762767, |
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| 3765504, |
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| 3817396, |
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| 3826250, |
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| 3866712, |
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| 3875711, |
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| 3895188, |
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| 3964571, |
Apr 01 1975 |
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Acoustic system |
| 4006311, |
Aug 24 1973 |
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Stereophonic sound reproducing apparatus |
| 4042778, |
Apr 01 1976 |
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Collapsible speaker assembly |
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Oct 30 1975 |
Formac International AB |
Sound insulating panels |
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Aug 04 1976 |
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Augmented passive radiator loudspeaker |
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Sep 13 1976 |
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Sound-absorption panel |
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Jun 09 1977 |
Bose Corporation |
Environment for demonstrating a stereo loudspeaker system |
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Feb 27 1976 |
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Stereophonic sound reproduction system |
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Oct 25 1977 |
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Sound transmitting system |
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Apr 27 1977 |
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High-fidelity stereo sound system |
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Jun 30 1975 |
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Dec 29 1978 |
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Jul 28 1978 |
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Apr 05 1979 |
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Feb 18 1977 |
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Dec 05 1977 |
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Jul 21 1978 |
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Jan 11 1979 |
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Mar 16 1978 |
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Apr 27 1981 |
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Dec 19 1980 |
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Mar 04 1981 |
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May 28 1982 |
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Jul 23 1982 |
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Aug 05 1982 |
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