Granted Patent
Utility
US 4,820,283 · App. 07/143,738
Shear force gauge
Inventors:
David P. Schickling, Patrick M. Maloney
Patented Case
View Patent ↗
Granted: Apr 11, 1989
Filed: Jan 13, 1988
Inventors
David P. Schickling
Patrick M. Maloney
Assignee (at issue)
Baxter Travenol 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.