Ear protector

Details Ear protector Ear protector

1989-07-20

1992-07-21

Word, A. Hugo

Equipment for safety, protection, and rescue

Fire extinguisher or casing therefor

Portable or hand held

Patent

active

D03281604

REFERENCES:
patent: D91794 (1934-03-01), Sutton
patent: D149150 (1948-03-01), Schwartz
patent: D307652 (1990-05-01), Johnson
patent: 1468556 (1923-09-01), Camp
patent: 2532852 (1950-12-01), Oaks
patent: 3138801 (1964-06-01), Brodsky
patent: 4682374 (1987-07-01), Geiser
patent: 4935965 (1990-06-01), Wassell
House & Garden, Jun. 1961, p. 44, "Shower Cap" top rt. hand corner.

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