Granted Patent
Utility
US 4,227,458 · App. 05/910,815
Ink fountain drive mechanism
Inventor:
Vinod Kapoor
Patented Case
View Patent ↗
Granted: Oct 14, 1980
Filed: May 30, 1978
Inventor
Vinod Kapoor
Assignee (at issue)
Butler Greenwich Inc.
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.