IP Library › Granted Patent US 4,458,712
Granted Patent Utility
US 4,458,712 · App. 06/428,348

Vacuum pressure regulator

Inventor: David L. Stevenson
Patented Case View Patent ↗
Granted: Jul 10, 1984 Filed: Sep 29, 1982
Inventor
David L. Stevenson
Assignee (at issue)
Schmelzer Corporation

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Quick Facts
Patent No.
US 4,458,712
App. No.
06/428,348
Filed
1982-09-29
Granted
1984-07-10
Kind
A