Disposable dust respirator

Details Disposable dust respirator Disposable dust respirator

1979-09-10

1981-02-03

Recla, Henry J.

Surgery

Respiratory method or device

Means for removing substance from respiratory gas

12820616, D29 8, A62B 700

Patent

active

042482208

ABSTRACT:
A disposable dust respirator which is self-opening and extends away from the mouth to provide more comfortable use.

REFERENCES:
patent: Re24549 (1958-10-01), Haliczer
patent: D249072 (1978-08-01), Revoir
patent: 3603315 (1971-09-01), Becker
patent: 3971369 (1976-07-01), Aspelin et al.

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