Granted Patent
Utility
US 4,571,828 · App. 06/590,866
Lubricated glass cutter
Inventor:
Roger G. Miffitt
Patented Case
View Patent ↗
Granted: Feb 25, 1986
Filed: Mar 19, 1984
Inventor
Roger G. Miffitt
Assignee (at issue)
The Fletcher-Terry Company, 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.