IP Library Granted Patent US 5,162,793
Granted Patent Utility
US 5,162,793 · App. 07/792,539

Drain plug absence indicator

Inventors: Gerald N. Plost, Henry A. Hodgson
Patented Case View Patent ↗
Granted: Nov 10, 1992 Filed: Nov 12, 1991
Inventors
Gerald N. Plost
Henry A. Hodgson

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Quick Facts
Patent No.
US 5,162,793
App. No.
07/792,539
Filed
1991-11-12
Granted
1992-11-10
Kind
A