Granted Patent
Utility
US 4,982,836 · App. 07/366,114
Conveyor belt and guiding system therefor
Inventor:
Roger L. Summers
Patented Case
View Patent ↗
Granted: Jan 8, 1991
Filed: Jun 14, 1989
Inventor
Roger L. Summers
Assignee (at issue)
Bridgestone Firestone
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.