Granted Patent
Utility
US 5,758,932 · App. 08/911,211
Mental drive wheel for endless ground engaging drive belts
Inventors:
Wayne A. Klopfenstein, Gerald P. Simmons
Patented Case
View Patent ↗
Granted: Jun 2, 1998
Filed: Aug 14, 1997
Inventors
Wayne A. Klopfenstein
Gerald P. Simmons
Assignee (at issue)
Caterpillar 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.