Granted Patent
Utility
US 4,422,240 · App. 06/359,244
Cutting implements
Inventors:
Edward M. Wallace, Robert G. Gosselin, Ernest D. Labarre
Patented Case
View Patent ↗
Granted: Dec 27, 1983
Filed: Mar 18, 1982
Inventors
Edward M. Wallace
Robert G. Gosselin
Ernest D. Labarre
Assignee (at issue)
Wallace Mgf. Corp.
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.