Granted Patent
Utility
US 6,102,091 · App. 08/897,988
Hollow core pneumatic wheel having contour conforming polyurethane wall
Inventors:
Tom Peterson, Neal Piper
Patented Case
View Patent ↗
Granted: Aug 15, 2000
Filed: Jul 10, 1997
Inventors
Tom Peterson
Neal Piper
Assignee (at issue)
The Hyper Corporation
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.