Granted Patent
Utility
US 4,472,979 · App. 06/229,058
Indexing drive system
Inventor:
David L. Mayne
Patented Case
View Patent ↗
Granted: Sep 25, 1984
Filed: Jan 28, 1981
Inventor
David L. Mayne
Assignee (at issue)
American Can Company
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.