Granted Patent
Utility
US 4,055,933 · App. 05/608,836
Apparatus for packaging photographic slides in envelopes
Inventor:
Edward W. Getsch
Patented Case
View Patent ↗
Granted: Nov 1, 1977
Filed: Aug 29, 1975
Inventor
Edward W. Getsch
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.