Granted Patent
Utility
US 4,546,802 · App. 06/616,684
Automatic failure sensor for hot wire cutters
Inventor:
Robert H. Best
Patented Case
View Patent ↗
Granted: Oct 15, 1985
Filed: Jun 4, 1984
Inventor
Robert H. Best
Assignee (at issue)
Burlington Industries LLC
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.