Granted Patent
Utility
US 4,264,805 · App. 06/098,683
Wireform heating element support for ceramic top
Inventor:
Bernard P. Traut
Patented Case
View Patent ↗
Granted: Apr 28, 1981
Filed: Nov 29, 1979
Inventor
Bernard P. Traut
Assignee (at issue)
Litton Systems, 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.