Granted Patent
Utility
US 5,012,102 · App. 07/521,786
Methods of producing vacuum devices and infrared detectors with a getter
Inventor:
David J. Gowlett
Patented Case
View Patent ↗
Granted: Apr 30, 1991
Filed: May 7, 1990
Inventor
David J. Gowlett
Assignee (at issue)
U.S. Philips 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.