U.S. patent number D318,588 [Application Number 07/211,407] was granted by the patent office on 1991-07-30 for chair control. This patent grant is currently assigned to Leggett & Platt, Incorporated. Invention is credited to Earl H. Koepke.
United States Patent | D318,588 |
Koepke | July 30, 1991 |
Inventors: | Koepke; Earl H. (Sturgis, MI) |
---|---|
Assignee: | Leggett & Platt,
Incorporated (Carthage, MO) |
Appl. No.: | 07/211,407 |
Filed: | June 24, 1988 |
Current U.S. Class: | D6/716.7; D6/366 |
Field of Search: | ;D6/491,495,496,498,499,366 ;297/300,292,285 ;248/608 |
2818911 | January 1958 | Syak |
3480249 | November 1969 | Lie |
3627252 | December 1971 | Yamaguchi |
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4555085 | November 1985 | Bauer et al. |
4707029 | November 1987 | Korn |
4711491 | December 1987 | Ginat |
4758045 | July 1988 | Edel et al. |
4796950 | January 1989 | Mrotz, III et al. |
Interiors, May 1984, p. 19, Herman Miller, Chair. . Sketch of Herman Miller, Knee-Action Chair Control Mechanism. . Brochure excerpt of "Equa" chair by Herman Miller. . "Buhk 100" Chair from Contract, 1987, p. 124. . "Catalyst" Chair of Haworth, from Interiors, May 1987, p. 128 and unnumbered page containing photograph of Chair. . "Model 788" Chair Mechanism of Collier-Keyworth Company, from brochure excerpt.. |
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