U.S. patent number D450,237 [Application Number D/133,777] was granted by the patent office on 2001-11-13 for combined folding crank handle and cover assembly for a casement window operator. This patent grant is currently assigned to Pella Corporation. Invention is credited to Bruce A. Baier, Andrew W. Middleswart, Marlo G. Van Klompenburg, David J. Vande Steeg, Gregory J. Vetter, Frank R. Wilgus.
United States Patent | D450,237 |
Vande Steeg , et al. | November 13, 2001 |
Inventors: | Vande Steeg; David J. (Pella, IA), Middleswart; Andrew W. (Indianola, IA), Van Klompenburg; Marlo G. (Pella, IA), Baier; Bruce A. (Pella, IA), Wilgus; Frank R. (Delaware, OH), Vetter; Gregory J. (Owatonna, MN) |
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Assignee: | Pella Corporation (Pella,
IA) |
Appl. No.: | D/133,777 |
Filed: | December 6, 2000 |
Current U.S. Class: | D8/400; D8/338 |
Current International Class: | 0809 |
Field of Search: | ;292/336.3,198,200,202,210,DIG.31,DIG.33,DIG.20 ;16/429,900 ;74/545,543,528,547 ;49/324,460 ;70/209,208 ;D8/338,400,337,344,302 |
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