Granted Patent
Utility
US 4,243,314 · App. 06/064,131
Adjustable width punch marking apparatus for photographic printer
Inventors:
Gerald R. Bowe, James F. Stewart
Patented Case
View Patent ↗
Granted: Jan 6, 1981
Filed: Aug 6, 1979
Inventors
Gerald R. Bowe
James F. Stewart
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.