Granted Patent
Utility
US 5,409,133 · App. 08/198,980
Razor blade dispenser
Inventor:
Donald Gringer
Patented Case
View Patent ↗
Granted: Apr 25, 1995
Filed: Feb 17, 1994
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.