Granted Patent
Utility
US 5,928,097 · App. 08/966,085
Adjustable tension idler pulley and belt
Inventor:
John W. Mast
Patented Case
View Patent ↗
Granted: Jul 27, 1999
Filed: Nov 7, 1997
Inventor
John W. Mast
Assignee (at issue)
Commercial Turf Products, Ltd.
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.