Granted Patent
Utility
US 4,902,895 · App. 07/243,281
Capacitive bolometer and method for detecting infrared radiation
Inventor:
Charles M. Hanson
Patented Case
View Patent ↗
Granted: Feb 20, 1990
Filed: Sep 12, 1988
Inventor
Charles M. Hanson
Assignee (at issue)
Varo Inc.
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.