Cough silencer

Details Cough silencer Cough silencer

1999-08-04

2001-03-27

Zarfas, Louis S. (Department: 2914)

Arms, pyrotechnics, hunting and fishing equipment

Miscellaneous

Design Patent

active

D0439630

CLAIM:
The ornamental design for a cough silencer, as shown and described.

REFERENCES:
patent: D. 415813 (1999-10-01), O'Quinn et al.
patent: 3796842 (1974-03-01), Guille
patent: 4396089 (1983-08-01), Scully
patent: 4834212 (1989-05-01), Figone et al.
patent: 4932495 (1990-06-01), Chapman
patent: 5413094 (1995-05-01), McBrearty
patent: 5434374 (1995-07-01), Hsueh
patent: 5910772 (1999-06-01), Hui
patent: 6085864 (2000-07-01), Copeland et al.

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