Granted Patent
Utility
US 5,554,838 · App. 08/518,232
Hand-held heating tool with improved heat control
Inventor:
Edward C. Berdich
Patented Case
View Patent ↗
Granted: Sep 10, 1996
Filed: Aug 23, 1995
Inventor
Edward C. Berdich
Assignee (at issue)
Wind-Lock Corporation
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.