Number | Name | Date | Kind |
---|---|---|---|
2473648 | Jakeway | Jun 1949 | A |
2586978 | Murray | Feb 1952 | A |
3653136 | Ruppert | Apr 1972 | A |
6174031 | Lindgren et al. | Jan 2001 | B1 |
6227615 | Newhouse et al. | May 2001 | B1 |
D470351 | Patton | Feb 2003 | S |
Entry |
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Handbook of Pictorial Symbols by Rudolf Modley, p. 80 Elevator symbol at bottom as marked, c.1976.* |
Handbook of Pictorial Symbols by Rudolf Modley, p. 122, Symbol for seat for disabled persons, second row from bottom at far left as marked, c 1976.* |
A copy of a label applied to chair control handles of chair control mechanisms manufactured by Northfield Metal Products, a Division of Leggett & Platt Ltd. more than two years ago. |