Granted Patent
Utility
US 6,314,667 · App. 09/598,801
Belt drive with automatic belt tensioning
Inventors:
Nathan J. Rife, Joseph J. Colwell
Patented Case
View Patent ↗
Granted: Nov 13, 2001
Filed: Jun 21, 2000
Inventors
Nathan J. Rife
Joseph J. Colwell
Assignee (at issue)
Harnischfeger Technologies, 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.