Granted Patent
Utility
US 4,286,139 · App. 06/106,576
Coupling assembly for heating element
Inventor:
Eugene D. Taylor
Patented Case
View Patent ↗
Granted: Aug 25, 1981
Filed: Dec 26, 1979
Inventor
Eugene D. Taylor
Assignee (at issue)
J. I. Case Company
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.