Granted Patent
Utility
US 5,964,563 · App. 08/754,753
Pivoting passive overhead bag opener
Inventors:
Joseph B. Bielagus, James R. Montgomery
Patented Case
View Patent ↗
Granted: Oct 12, 1999
Filed: Nov 21, 1996
Inventors
Joseph B. Bielagus
James R. Montgomery
Assignee (at issue)
Beloit Technologies, 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.