Granted Patent
Utility
US 4,809,433 · App. 06/863,735
Agricultural shears with lancet blade
Inventors:
Georges A. Maxwell, Stephen J. Jasperson
Patented Case
View Patent ↗
Granted: Mar 7, 1989
Filed: May 15, 1986
Inventors
Georges A. Maxwell
Stephen J. Jasperson
Assignee (at issue)
Corona Clipper, 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.