Granted Patent
Utility
US 6,161,680 · App. 09/416,438
Spring connection for vibratory conveyor
Inventors:
Larry K. Martin, William B. Reed
Patented Case
View Patent ↗
Granted: Dec 19, 2000
Filed: Oct 12, 1999
Inventors
Larry K. Martin
William B. Reed
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.