Granted Patent
Utility
US 6,161,650 · App. 09/274,161
Lubricating system for a vibratory apparatus
Inventors:
David A. Ostergaard, Karen L. Knox, Edwin J. Sauser
Patented Case
View Patent ↗
Granted: Dec 19, 2000
Filed: Mar 22, 1999
Inventors
David A. Ostergaard
Karen L. Knox
Edwin J. Sauser
Assignee (at issue)
Cedarapids, 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.