IP Library › Granted Patent US 6,672,632
Granted Patent Utility
US 6,672,632 · App. 10/252,925

Mortise lock

Inventors: Daryl F. Speed, Christopher Isfeld, Mark Rees-Howlett, Brent A. Foster
Patented Case View Patent ↗
Granted: Jan 6, 2004 Filed: Sep 24, 2002
Inventors
Daryl F. Speed
Christopher Isfeld
Mark Rees-Howlett
Brent A. Foster

This patent predates the USPTO's electronic file wrapper — prosecution documents from this era exist only in the Patent Office's paper records. A certified copy of the file history can be ordered from the USPTO's paper archives.

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Quick Facts
Patent No.
US 6,672,632
App. No.
10/252,925
Filed
2002-09-24
Granted
2004-01-06
Kind
B1