Granted Patent
Utility
US 5,486,221 · App. 07/814,121
Shear mechanism for glass forming machine
Inventors:
Marty J. Grant, Steven J. Pinkerton
Patented Case
View Patent ↗
Granted: Jan 23, 1996
Filed: Dec 24, 1991
Inventors
Marty J. Grant
Steven J. Pinkerton
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.