Envelope opener

Details Envelope opener Envelope opener

1990-06-07

1992-09-08

Ansher, Bernard

Tools and hardware

Other tools and implements

Cutting

Patent

active

D03291847

REFERENCES:
patent: D62994 (1923-09-01), Kaucher
patent: D240190 (1976-06-01), Cleveland
patent: D256883 (1980-09-01), Wharmby
patent: D278355 (1985-04-01), Williams
patent: D286794 (1986-11-01), Bayless
patent: D306394 (1990-03-01), Koenig
patent: 1553449 (1925-09-01), Kennedy
patent: 2439639 (1948-04-01), Tilly
patent: 2535555 (1950-12-01), Tilly
patent: 2559439 (1952-06-01), Drake
patent: 3009248 (1961-11-01), Tilly
patent: 3028670 (1962-04-01), Tilly
patent: 3290780 (1966-12-01), Oehlert
Quick Point Catalog 1981, p. 30, top of page, Quick Point Inc., Fenton, MO.
Quick Point Catalog 1987, p. 26, left side of page, Quick Point Inc., Fenton, MO.

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