Granted Patent
Utility
US 5,265,452 · App. 07/763,120
Bolt lock bolt retractor mechanism
Inventors:
Gerald L. Dawson, Thomas R. Clark
Patented Case
View Patent ↗
Granted: Nov 30, 1993
Filed: Sep 20, 1991
Inventors
Gerald L. Dawson
Thomas R. Clark
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.