Granted Patent
Utility
US 5,922,151 · App. 08/890,097
Polyurethane skate wheel with shaped foam core
Inventors:
Neal Piper, Tom Peterson
Patented Case
View Patent ↗
Granted: Jul 13, 1999
Filed: Jul 11, 1997
Inventors
Neal Piper
Tom Peterson
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.