IP Library › Granted Patent US 4,647,734
Granted Patent Utility
US 4,647,734 · App. 06/735,634

Binary switch lock

Inventor: Merrill A. Dana
Patented Case View Patent ↗
Granted: Mar 3, 1987 Filed: May 20, 1985
Inventor
Merrill A. Dana
Assignee (at issue)
HUDSON LOCK, LLC

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Quick Facts
Patent No.
US 4,647,734
App. No.
06/735,634
Filed
1985-05-20
Granted
1987-03-03
Kind
A