Granted Patent
Utility
US 5,022,299 · App. 07/398,643
Method of making a knife having a scalloped cutting edge
Inventors:
Robert R. Fischer, W. James Fischer
Patented Case
View Patent ↗
Granted: Jun 11, 1991
Filed: Aug 24, 1989
Inventors
Robert R. Fischer
W. James Fischer
Assignee (at issue)
Urschel Laboratories, 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.