Granted Patent
Utility
US 4,286,599 · App. 06/002,998
Marking device
Inventors:
Douglas D. Hahn, Dennis E. Epley, Kenneth I. Granle
Patented Case
View Patent ↗
Granted: Sep 1, 1981
Filed: Jan 12, 1979
Inventors
Douglas D. Hahn
Dennis E. Epley
Kenneth I. Granle
Assignee (at issue)
Geo. A. Hormel & Co.
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.