Granted Patent
Utility
US 4,360,264 · App. 06/288,820
Variable magnification slide copy camera
Inventors:
Philip G. Baker, Gerald Matthews
Patented Case
View Patent ↗
Granted: Nov 23, 1982
Filed: Jul 31, 1981
Inventors
Philip G. Baker
Gerald Matthews
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.