Granted Patent
Utility
US 4,420,883 · App. 06/277,927
Pruning apparatus of the compound action hook and blade type
Inventors:
Edward M. Wallace, Robert G. Gosselin, Ernest D. Labarre
Patented Case
View Patent ↗
Granted: Dec 20, 1983
Filed: Jun 26, 1981
Inventors
Edward M. Wallace
Robert G. Gosselin
Ernest D. Labarre
Assignee (at issue)
Wallace Mfg. Co.
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.