Double-sided puzzle

Details Double-sided puzzle Double-sided puzzle

1993-04-20

1994-12-13

Ansher, Bernard

Games, toys, and sports goods

Toy

Representation or scale model

Patent

active

D03534154

REFERENCES:
patent: D29195 (1898-08-01), Standing
patent: D170113 (1953-08-01), Sibrik et al.
patent: D267895 (1983-02-01), Petrie
patent: D301158 (1989-05-01), Fitzpatrick
patent: D320050 (1991-09-01), Mannino
patent: D332288 (1993-01-01), Murphy, Sr.
patent: 1339399 (1920-05-01), Kemp
patent: 1532875 (1925-04-01), Brown
patent: 1558165 (1925-10-01), Haswell
patent: 1676641 (1928-07-01), Eschenbach
patent: 1948962 (1934-02-01), Decker
patent: 2984489 (1961-05-01), Parlato
patent: 4361328 (1982-11-01), Stein et al.

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