Patent |
Priority |
Assignee |
Title |
1483315, |
|
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|
2506524, |
|
|
|
2958769, |
|
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|
3087028, |
|
|
|
3654406, |
|
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|
3682268, |
|
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|
3873757, |
|
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|
3969796, |
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3971900, |
Mar 05 1975 |
Roanwell Corporation |
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3971901, |
Mar 05 1975 |
Roanwell Corporation |
Communications headset with reversible mounting means |
3984885, |
Mar 15 1974 |
Matsushita Electric Industrial Co., Ltd. |
4-Channel headphones |
4024368, |
Oct 02 1975 |
Litton Systems, Inc. |
Switch assembly having selective actuation sensitivity |
4031295, |
Mar 11 1976 |
General Time Corporation |
Combination housing with compartment and ejector mechanism for ejecting a battery therefrom |
4039765, |
Oct 26 1976 |
Shure Brothers, Inc. |
Headset with adjustable microphone support |
4138598, |
Aug 30 1976 |
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Headset construction |
4189788, |
Mar 17 1978 |
Grundig E.M.V. Elektro-Mechanische Versuchsanstalt |
Headset |
4302635, |
Jan 04 1980 |
Koss Corporation |
Headphone construction |
4418248, |
Dec 11 1981 |
Koss Corporation |
Dual element headphone |
4471496, |
Jun 27 1983 |
Cabot Safety Intermediate Corporation |
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4472607, |
Oct 21 1983 |
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Inflight headset for civil aircraft |
4499593, |
Jul 25 1983 |
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4634816, |
May 21 1984 |
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4672672, |
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Ascom Audiosys AG |
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Jan 29 1986 |
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Headset |
4821318, |
Apr 17 1987 |
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Dec 26 1996 |
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