Ear protective cover

Details Ear protective cover Ear protective cover

1997-09-30

1998-10-13

Mortimer, Paula A.

Equipment for safety, protection, and rescue

Body restraint or protective covering

Face, mouth, or ear

2902

Patent

active

D03996077

REFERENCES:
patent: D328160 (1992-07-01), Sudduth
patent: D344611 (1994-02-01), Hordis
patent: 2281357 (1942-04-01), Johnson
patent: 2570675 (1951-10-01), Heflin
patent: 2712134 (1955-07-01), Cyr
patent: 2763869 (1956-09-01), Bogart et al.
patent: 3525103 (1970-08-01), Yonan
patent: 4660229 (1987-04-01), Harris
patent: 4872219 (1989-10-01), Duncan
patent: 4935965 (1990-06-01), Wassell
patent: 5689831 (1997-11-01), Harris

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