Granted Patent
Utility
US 5,155,295 · App. 07/773,758
Cartridge assembly
Inventor:
Ralph F. Campoli
Patented Case
View Patent ↗
Granted: Oct 13, 1992
Filed: Oct 11, 1991
Inventor
Ralph F. Campoli
Assignee (at issue)
Olin Corporation
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.