Dive mask

Details Dive mask Dive mask

1988-01-25

1991-01-22

Chin, Kay H.

Equipment for safety, protection, and rescue

Fire extinguisher or casing therefor

Portable or hand held

D21236

Patent

active

D03140717

REFERENCES:
patent: D214817 (1969-07-01), Widolf
patent: D220304 (1971-03-01), Wolfe
patent: 3895397 (1975-07-01), Douglas

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