Granted Patent
Utility
US 4,901,463 · App. 07/116,035
Cartridge magazine having a single piece magazine head
Inventor:
M. Gaines Chesnut
Patented Case
View Patent ↗
Granted: Feb 20, 1990
Filed: Oct 29, 1987
Inventor
M. Gaines Chesnut
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.