Knob

Details Knob Knob

1989-05-31

1992-02-25

Bullock, B. J.

Environmental heating and cooling; fluid handling and sanitary e

Fluid handling or treatment equipment

Valve or body therefor

D 8310, D 8312

Patent

active

D03242579

REFERENCES:
patent: D216692 (1970-03-01), Young
patent: D304971 (1989-12-01), Yost
Acme Hardware Co., Inc. Cat.; .COPYRGT.1965; p. 85, Knob No. 14/711 (Lower Left).
Paul Associates Cat., p. 55; Knob 350 (upper right).
Schlage Cat.; .COPYRGT.1974; p. 5; Knob Marquerite (upper right).

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