Granted Patent
Utility
US 5,833,731 · App. 08/965,177
I S machine
Inventors:
John P. Mungovan, Douglas J. Roberts
Patented Case
View Patent ↗
Granted: Nov 10, 1998
Filed: Nov 6, 1997
Inventors
John P. Mungovan
Douglas J. Roberts
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.