IP Library › Granted Patent US 4,724,074
Granted Patent Utility
US 4,724,074 · App. 06/784,300

Self-venting drain assembly

Inventor: Richard E. Schaupp
Patented Case View Patent ↗
Granted: Feb 9, 1988 Filed: Oct 7, 1985
Inventor
Richard E. Schaupp
Assignee (at issue)
Parker-Hannifin Corporation

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Quick Facts
Patent No.
US 4,724,074
App. No.
06/784,300
Filed
1985-10-07
Granted
1988-02-09
Kind
A