Granted Patent
Utility
US 4,139,978 · App. 05/786,182
Automatic photographic print and film packaging mechanism
Inventors:
Gerald A. Jensen, Armer J. Willenbring
Patented Case
View Patent ↗
Granted: Feb 20, 1979
Filed: Apr 11, 1977
Inventors
Gerald A. Jensen
Armer J. Willenbring
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.