Granted Patent
Utility
US 5,224,979 · App. 07/814,122
Top release bearing for shear mechanism
Inventors:
Steven J. Pinkerton, Douglas W. Wright
Patented Case
View Patent ↗
Granted: Jul 6, 1993
Filed: Dec 24, 1991
Inventors
Steven J. Pinkerton
Douglas W. Wright
Assignee (at issue)
Emhart Glass Machinery Investments 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.