Granted Patent
Utility
US 5,946,891 · App. 08/681,238
Controllable stop vibratory feeder
Inventor:
David A. Brence
Patented Case
View Patent ↗
Granted: Sep 7, 1999
Filed: Jul 22, 1996
Inventor
David A. Brence
Assignee (at issue)
FMC CORPORATION
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.