Granted Patent
Utility
US 4,183,136 · App. 05/821,516
Temperature sensing resistance device
Inventor:
Jeannine O. Colla
Patented Case
View Patent ↗
Granted: Jan 15, 1980
Filed: Aug 3, 1977
Inventor
Jeannine O. Colla
Assignee (at issue)
Johnson Controls, 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.