Apparel – Guard or protector – For wearer's head
Patent
1990-01-08
1991-07-23
Nerbun, Peter
Apparel
Guard or protector
For wearer's head
2439, 12820522, A61F 902, A62B 702
Patent
active
050331280
ABSTRACT:
A goggles through which air is to be breathed by the user. During the breathing of the air, the air is filtered through the side walls of the goggles. There may also be incorporated an oxygen supply tube in conjunction with the goggles to increase the oxygen intake of the user over that of ambient air.
REFERENCES:
patent: 2387522 (1945-10-01), Maurer
patent: 2435653 (1948-02-01), Maurer
patent: 2642574 (1953-06-01), Eloranta
patent: 2897817 (1959-08-01), Marina
patent: 4571748 (1986-02-01), Carroll et al.
patent: 4951322 (1990-08-01), Lin
Munro Jack C.
Nerbun Peter
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