IP Library › Granted Patent US 4,771,810
Granted Patent Utility
US 4,771,810 · App. 06/868,225

Multi-seal mechanical tube plug

Inventors: Leonard F. Ermold, Robert F. Keating, Lawrence A. Nelson
Patented Case View Patent ↗
Granted: Sep 20, 1988 Filed: May 28, 1986
Inventors
Leonard F. Ermold
Robert F. Keating
Lawrence A. Nelson
Assignee (at issue)
Westinghouse Electric Company LLC

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Quick Facts
Patent No.
US 4,771,810
App. No.
06/868,225
Filed
1986-05-28
Granted
1988-09-20
Kind
A