Granted Patent
Utility
US 4,246,567 · App. 06/059,930
Device for detecting and indicating low pressure and high heat in pneumatic tires
Inventor:
Donald L. Miller
Patented Case
View Patent ↗
Granted: Jan 20, 1981
Filed: Jul 23, 1979
Inventor
Donald L. Miller
Assignee (at issue)
Facet Enterprises, 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.