Granted Patent
Utility
US 6,547,054 · App. 09/918,949
Conveyor roller with telescoping axle having tapered ends
Inventor:
Brian L. Gamache
Patented Case
View Patent ↗
Granted: Apr 15, 2003
Filed: Jul 31, 2001
Inventor
Brian L. Gamache
Assignee (at issue)
Alvey Systems, Inc.
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.