Mask

Details Mask Mask

1991-08-22

1992-12-22

Word, A. Hugo

Equipment for safety, protection, and rescue

Fire extinguisher or casing therefor

Portable or hand held

Patent

active

D03319881

REFERENCES:
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patent: 3152588 (1964-10-01), Rogowski
patent: 3181531 (1965-05-01), Angioletti
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patent: 3315673 (1967-04-01), Morton, Jr.
patent: 3680555 (1972-08-01), Warneke
patent: 4296746 (1981-10-01), Mason, Jr. et al.
patent: 4756308 (1988-07-01), Ryback

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