Granted Patent
Utility
US 5,099,121 · App. 07/521,967
Temperature measuring method using infrared sensors and processor
Inventor:
John B. Allen
Patented Case
View Patent ↗
Granted: Mar 24, 1992
Filed: May 11, 1990
Inventor
John B. Allen
Assignee (at issue)
Texas Instruments Incorporated
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.