Granted Patent
Utility
US 4,643,588 · App. 06/718,914
Method of monitoring temperature
Inventors:
Stephen Postle, Roy Barber
Patented Case
View Patent ↗
Granted: Feb 17, 1987
Filed: Apr 2, 1985
Inventors
Stephen Postle
Roy Barber
Assignee (at issue)
Ciba-Geigy
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.