Granted Patent
Utility
US 5,490,463 · App. 08/123,166
Match performance .22 caliber cartridge
Inventors:
Bruce R. Lamberty, Shawn F. Callahan, Daniel N. Johnson
Patented Case
View Patent ↗
Granted: Feb 13, 1996
Filed: Sep 20, 1993
Inventors
Bruce R. Lamberty
Shawn F. Callahan
Daniel N. Johnson
Assignee (at issue)
Federal-Hoffman 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.