Granted Patent
Utility
US 5,449,063 · App. 08/098,737
Modified drive system for endless belt conveyors with rollers having driving, supporting and aligning features
Inventor:
James A. Thomas
Patented Case
View Patent ↗
Granted: Sep 12, 1995
Filed: Jul 28, 1993
Inventor
James A. Thomas
Assignee (at issue)
Lindberg 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.