Granted Patent
Utility
US 4,240,741 · App. 06/063,674
Modular punch marking apparatus
Inventors:
Richard Dyche Anderson, John A. Wedel
Patented Case
View Patent ↗
Granted: Dec 23, 1980
Filed: Aug 6, 1979
Inventors
Richard Dyche Anderson
John A. Wedel
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.