Granted Patent
Utility
US 6,038,897 · App. 09/157,020
Back cover lock for a combination lock
Inventors:
Gerald L. Dawson, James P. Redden
Patented Case
View Patent ↗
Granted: Mar 21, 2000
Filed: Sep 18, 1998
Inventors
Gerald L. Dawson
James P. Redden
Assignee (at issue)
Mas-Hamilton Group, Inc.
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.