Granted Patent
Utility
US 5,252,443 · App. 07/830,156
Means for assuring proper orientation of the film in an asymmetrical radiographic assembly
Inventor:
Robert E. Dickerson
Patented Case
View Patent ↗
Granted: Oct 12, 1993
Filed: Feb 3, 1992
Inventor
Robert E. Dickerson
Assignee (at issue)
EASTMAN KODAK COMPANY
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.