Plastic knife

Details Plastic knife Plastic knife

1992-09-03

1994-09-06

Douglas, Alan P.

Equipment for preparing or serving food or drink not elsewhere s

Place setting, table service utensil or handle therefor

Knife or blade

Patent

active

D03502600

REFERENCES:
patent: D124300 (1940-10-01), Morris
patent: D125774 (1941-01-01), Madan
patent: D129845 (1941-06-01), Krilow
patent: D174747 (1955-05-01), Harper
patent: D203818 (1966-02-01), Seibel
patent: D216496 (1970-01-01), Wentzel
patent: D219000 (1970-10-01), Bornancini
patent: D230695 (1974-03-01), Bartz
patent: D235306 (1975-06-01), Christian et al.
patent: D247153 (1978-02-01), Julius
patent: D252315 (1979-07-01), Dart
patent: D265601 (1982-07-01), Olsson
patent: D303603 (1989-09-01), Zimmerman
patent: D318151 (1991-07-01), Moses
patent: 510775 (1893-12-01), Christy
patent: 2049898 (1936-08-01), Driest
patent: 2824369 (1958-02-01), Welch

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