Granted Patent
Utility
US 5,170,424 · App. 07/816,818
X-ray film cassette having an easily assembled frame hinge joint
Inventor:
Walter Bauer
Patented Case
View Patent ↗
Granted: Dec 8, 1992
Filed: Jan 3, 1992
Inventor
Walter Bauer
Assignee (at issue)
Agfa-Gevaert NV
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.