Granted Patent
Utility
US 5,472,079 · App. 08/261,199
Method and apparatus for controlling the drive of self-excited vibrating parts feeder
Inventors:
Susumu Yagi, Shunriki Nin
Patented Case
View Patent ↗
Granted: Dec 5, 1995
Filed: Jun 16, 1994
Inventors
Susumu Yagi
Shunriki Nin
Assignee (at issue)
Yoshida Kogya K.K.
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.