IP Library › Granted Patent US 5,380,053
Granted Patent Utility
US 5,380,053 · App. 08/096,371

Intumescent fire door lock mechanism

Inventor: Joseph N. Saino
Patented Case View Patent ↗
Granted: Jan 10, 1995 Filed: Jul 26, 1993
Inventor
Joseph N. Saino
Assignee (at issue)
F. L. Saino Manufacturing Co.

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Quick Facts
Patent No.
US 5,380,053
App. No.
08/096,371
Filed
1993-07-26
Granted
1995-01-10
Kind
A