IP Library › Granted Patent US 4,600,002
Granted Patent Utility
US 4,600,002 · App. 06/664,374

Disposable respirator

Inventors: Richard D. Maryyanek, Joseph Z. Zdrok
Patented Case View Patent ↗
Granted: Jul 15, 1986 Filed: Oct 24, 1984
Inventors
Richard D. Maryyanek
Joseph Z. Zdrok
Assignee (at issue)
American Optical Corporation

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Quick Facts
Patent No.
US 4,600,002
App. No.
06/664,374
Filed
1984-10-24
Granted
1986-07-15
Kind
A