Envelope opener

Details Envelope opener Envelope opener

1988-05-25

1989-10-24

Dunkins, Bruce W.

Travel goods and personal belongings

Umbrella or parasol, walking support

Cane or walking support

Patent

active

D03041310

REFERENCES:
patent: D213346 (1969-02-01), Mercer
patent: D233078 (1974-10-01), Mullins
patent: D245205 (1977-07-01), Santurbane
patent: D275425 (1984-09-01), Briggs
patent: 3592201 (1971-07-01), Haddaway

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