Utility knife

Details Utility knife Utility knife

1995-06-27

1996-10-15

Shooman, Ted

Tools and hardware

Other tools and implements

Cutting

Patent

active

D03745970

REFERENCES:
patent: D217583 (1970-05-01), Swanson
patent: D254243 (1980-02-01), Florian et al.
patent: D260358 (1981-08-01), Wilson et al.
patent: D311854 (1990-11-01), Wilson et al.
patent: D346542 (1994-05-01), Birkholz
patent: 3192624 (1956-07-01), Gringer
patent: 3613241 (1971-10-01), Allen
patent: 3660895 (1972-05-01), West
patent: 3660896 (1972-05-01), Umholtz
patent: 3906625 (1975-09-01), Gringer
patent: 4005525 (1977-02-01), Gringer
patent: 4240202 (1980-12-01), Gilbert
patent: 5406707 (1995-04-01), Owens
Hardware Age Magazine, Aug. 1985, p. 85, American Line Utility Knife on top right.
Hong Kong Enterprise Cat., Feb. 1992, p. 409, Tung Hing Plastics Ad.

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