Granted Patent
Utility
US 4,960,901 · App. 07/114,049
Thermal imaging method
Inventors:
Alan L. Borror, Ernest W. Ellis
Patented Case
View Patent ↗
Granted: Oct 2, 1990
Filed: Oct 29, 1987
Inventors
Alan L. Borror
Ernest W. Ellis
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.