Granted Patent
Utility
US 4,427,276 · App. 06/305,690
Microcomputer controlled photographic exposure system and method
Inventors:
Alan Feinerman, Donald L. Grimes, Kathy J. Messina
Patented Case
View Patent ↗
Granted: Jan 24, 1984
Filed: Sep 25, 1981
Inventors
Alan Feinerman
Donald L. Grimes
Kathy J. Messina
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.