Granted Patent
Utility
US 6,058,607 · App. 08/881,109
Utility knife with snap-off carrier and dual control
Inventor:
Donald Gringer
Patented Case
View Patent ↗
Granted: May 9, 2000
Filed: Jun 23, 1997
Inventor
Donald Gringer
Assignee (at issue)
ALLWAY TOOLS, 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.