Tools and hardware – Handle – knob or pull – Singular point of attachment
Patent
1989-01-17
1992-07-14
Largen, James R.
Tools and hardware
Handle, knob or pull
Singular point of attachment
D23250
Patent
active
D03278344
REFERENCES:
patent: D261223 (1981-10-01), Scholl
patent: D266348 (1982-09-01), Pipsco
patent: D268358 (1983-03-01), Saporito et al.
patent: D268513 (1983-04-01), Thompson
patent: D272642 (1984-02-01), Fabian
patent: D273512 (1984-04-01), Arnolds
patent: D274351 (1984-06-01), Nipmann
patent: D276064 (1984-10-01), Stairs, Jr.
patent: D276744 (1984-12-01), Hill et al.
patent: D291233 (1987-08-01), Jans
patent: D299160 (1988-12-01), Lathrop
patent: 4593430 (1986-06-01), Spangler et al.
A 1987 Kohler ad showing the "K-7491" handle (admitted prior art).
An undated Harden catalog page showing the "Z-16" handle (admitted prior art).
A Jacob Delafon ad for 77201 handle (admitted prior art).
Delafon Jacob
Largen James R.
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