Granted Patent
Utility
US 4,371,248 · App. 06/353,426
Apparatus for opening a film processing kit
Inventor:
Donald J. Sulesky
Patented Case
View Patent ↗
Granted: Feb 1, 1983
Filed: Mar 1, 1982
Inventor
Donald J. Sulesky
Assignee (at issue)
Polaroid 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.