U.S. patent number D650,097 [Application Number D/335,846] was granted by the patent office on 2011-12-06 for screw-in led bulb. This patent grant is currently assigned to Altair Engineering, Inc.. Invention is credited to Craig Mackiewicz, James B. Trumble.
United States Patent | D650,097 |
Trumble , et al. | December 6, 2011 |
Inventors: | Trumble; James B. (Royal Oak, MI), Mackiewicz; Craig (Clawson, MI) |
---|---|
Assignee: | Altair Engineering, Inc. (Troy,
MI) |
Appl. No.: | D/335,846 |
Filed: | April 23, 2009 |
Current U.S. Class: | D26/2 |
Current International Class: | 2604 |
Field of Search: | ;D26/1-4 ;313/313,315,316,317,318,493 ;315/52,53,56,57,58 |
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D634452 | March 2011 | de Visser |
2007/0285926 | December 2007 | Maxik |
2009/0046473 | February 2009 | Tsai et al. |
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