Granted Patent
Utility
US 4,475,425 · App. 06/383,865
Blade holding device
Inventors:
Dineshchandra G. Punater, John L. Herman
Patented Case
View Patent ↗
Granted: Oct 9, 1984
Filed: Jun 1, 1982
Inventors
Dineshchandra G. Punater
John L. Herman
Assignee (at issue)
Harris Graphics
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.