Granted Patent
Utility
US 5,829,757 · App. 08/730,469
Variable traction wheel for in-line roller skate
Inventors:
Albert C. Chiang, John A. Roderick, David R. Willis, Charles Sipes
Patented Case
View Patent ↗
Granted: Nov 3, 1998
Filed: Oct 11, 1996
Inventors
Albert C. Chiang
John A. Roderick
David R. Willis
Charles Sipes
Assignee (at issue)
Mearthane Products 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.