Granted Patent
Utility
US 4,327,488 · App. 06/180,327
Hand held glass cutter
Inventor:
Peter F. Connolly
Patented Case
View Patent ↗
Granted: May 4, 1982
Filed: Aug 22, 1980
Inventor
Peter F. Connolly
Assignee (at issue)
Red Devil, 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.