Granted Patent
Utility
US 5,334,818 · App. 07/846,873
Modular high density electric heating element arrangement for an air flow heater
Inventors:
Gary C. Edwards, Ronald H. Schaefer
Patented Case
View Patent ↗
Granted: Aug 2, 1994
Filed: Mar 6, 1992
Inventors
Gary C. Edwards
Ronald H. Schaefer
Assignee (at issue)
Temro Division, Budd Canada 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.