Granted Patent
Utility
US 4,225,073 · App. 05/791,703
Multiple speed web drive system
Inventor:
Gerald R. Strunc
Patented Case
View Patent ↗
Granted: Sep 30, 1980
Filed: Apr 28, 1977
Inventor
Gerald R. Strunc
Assignee (at issue)
Pako 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.