Granted Patent
Utility
US 4,404,887 · App. 06/385,520
Recoil reducer
Inventor:
Edward T. Piesik
Patented Case
View Patent ↗
Granted: Sep 20, 1983
Filed: Jun 7, 1982
Inventor
Edward T. Piesik
Assignee (at issue)
General Dynamics Corp., Pomona Division
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.