Granted Patent
Utility
US 4,886,113 · App. 07/166,898
Positive indication shear ring
Inventors:
Colby M. Ross, Frank Giusti, Jr., James D. Hendrickson
Patented Case
View Patent ↗
Granted: Dec 12, 1989
Filed: Mar 11, 1988
Inventors
Colby M. Ross
Frank Giusti, Jr.
James D. Hendrickson
Assignee (at issue)
Otis Engineering Corporation
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.