Granted Patent
Utility
US 6,003,682 · App. 08/773,392
Bar screen drive system
Inventor:
Joseph B. Bielagus
Patented Case
View Patent ↗
Granted: Dec 21, 1999
Filed: Dec 26, 1996
Inventor
Joseph B. Bielagus
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.