Granted Patent
Utility
US 5,218,485 · App. 07/680,950
Expanded dynamic range image digitizing apparatus
Inventor:
Robert E. Malm
Patented Case
View Patent ↗
Granted: Jun 8, 1993
Filed: Apr 5, 1991
Inventor
Robert E. Malm
Assignee (at issue)
X-ray Scanner 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.