Control knob for chair tilting mechanism

Details Control knob for chair tilting mechanism Control knob for chair tilting mechanism

1991-04-24

1992-08-11

Bullock, B. J.

Tools and hardware

Handle, knob or pull

Singular point of attachment

Patent

active

D03285596

REFERENCES:
patent: D111881 (1938-10-01), Hoover
patent: D126506 (1941-04-01), Derry
patent: D179942 (1957-03-01), Holland
patent: D195508 (1963-06-01), McCabe
patent: D227568 (1973-07-01), Thorp
patent: D231317 (1974-04-01), Ludwick
patent: D300652 (1989-04-01), Kohlen, Jr. et al.
patent: D300770 (1989-04-01), Kohler, Jr. et al.
patent: D314904 (1991-02-01), Trinkwalder
patent: 4616673 (1986-10-01), Bondar
patent: 4842009 (1989-06-01), Reback
Dimco Cat. 66; p. 10; Knob 124.
Home Hardware Cat.; p. 14, Knob 4911.

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