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The ornamental design for an led light tube, as shown and described.
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The shade lines show contour and not surface ornamentation. The broken lines are environmental and form no part of the claimed design.
Patent | Priority | Assignee | Title |
7049761, | Feb 11 2000 | Ilumisys, Inc | Light tube and power supply circuit |
7510299, | Feb 11 2000 | Ilumisys, Inc | LED lighting device for replacing fluorescent tubes |
7712918, | Dec 21 2007 | Ilumisys, Inc | Light distribution using a light emitting diode assembly |
7815338, | Mar 02 2008 | Ilumisys, Inc | LED lighting unit including elongated heat sink and elongated lens |
7926975, | Dec 21 2007 | Ilumisys, Inc | Light distribution using a light emitting diode assembly |
7938562, | Oct 24 2008 | Ilumisys, Inc | Lighting including integral communication apparatus |
7946729, | Jul 31 2008 | Ilumisys, Inc | Fluorescent tube replacement having longitudinally oriented LEDs |
7976196, | Jul 09 2008 | Ilumisys, Inc | Method of forming LED-based light and resulting LED-based light |
8093823, | Feb 11 2000 | Ilumisys, Inc | Light sources incorporating light emitting diodes |
8118447, | Dec 20 2007 | Ilumisys, Inc | LED lighting apparatus with swivel connection |
D477093, | Jun 11 2002 | Moriyama Sangyo Kabushiki Kaisha | LED lamp |
D506274, | Mar 11 2004 | Moriyama Sangyo Kabushiki Kaisha | LED lamp |
D584429, | May 26 2008 | Everlight Electronics Co., Ltd.; EVERLIGHT ELECTRONICS CO , LTD | Lamp |
D594999, | Nov 07 2008 | Panasonic Corporation | Fluorescent lamp |
D601726, | Jan 10 2008 | SNOWFALL EUROPE NV | Tube light array |
D610724, | Jun 02 2009 | Foxsemicon Integrated Technology, Inc. | Light emitting diode bulb |
D652968, | May 25 2010 | ABL IP Holding LLC | Solid state light source display case lamp |
D662236, | Dec 09 2009 | CCS Inc. | LED fluorescent lamp |
Executed on | Assignor | Assignee | Conveyance | Frame | Reel | Doc |
Jan 01 2012 | ALTAIR ENGINEERING, INC | Ilumisys, Inc | ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS | 027976 | 0906 | |
Jan 03 2012 | MACKIEWICZ, CRAIG | ALTAIR ENGINEERING, INC | ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS | 027475 | 0208 | |
Jan 04 2012 | iLumisys, Inc. | (assignment on the face of the patent) |
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