Granted Patent
Utility
US 5,216,625 · App. 07/429,983
Autocalibrating dual sensor non-contact temperature measuring device
Inventor:
Dieter L. Rall
Patented Case
View Patent ↗
Granted: Jun 1, 1993
Filed: Nov 1, 1989
Inventor
Dieter L. Rall
Assignee (at issue)
Luxtron 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.