U.S. patent number D520,335 [Application Number D/188,687] was granted by the patent office on 2006-05-09 for combined pushdown/keeper for double hung window. This patent grant is currently assigned to Milgard Manufacturing Incorporated. Invention is credited to Christopher Gorman.
United States Patent | D520,335 |
Gorman | May 9, 2006 |
Inventors: | Gorman; Christopher (Puyallup, WA) |
---|---|
Assignee: | Milgard Manufacturing
Incorporated (Tacoma, WA) |
Appl. No.: | D/188,687 |
Filed: | August 21, 2003 |
Current U.S. Class: | D8/314 |
Current International Class: | 0806 |
Field of Search: | ;D8/400,499,313,314,300,305 ;16/11R,124 |
D187463 | March 1960 | Murphy |
D369087 | April 1996 | Decursu et al. |
D414100 | September 1999 | O'Neil |
D429140 | August 2000 | Schacht et al. |
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