Granted Patent
Utility
US 5,147,032 · App. 07/640,513
Conveyor system with driven balls, protectable against overloading
Inventor:
Nico Rombouts
Patented Case
View Patent ↗
Granted: Sep 15, 1992
Filed: Jan 11, 1991
Inventor
Nico Rombouts
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.