Granted Patent
Utility
US 5,237,402 · App. 07/737,768
Digital image processing circuitry
Inventors:
Mary Deshon, Allan C. Green
Patented Case
View Patent ↗
Granted: Aug 17, 1993
Filed: Jul 30, 1991
Inventors
Mary Deshon
Allan C. Green
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.