Granted Patent
Utility
US 6,042,517 · App. 09/151,393
Bicycle trainer magnetic resistance device
Inventors:
John A. Gunther, Mark DeRoche
Patented Case
View Patent ↗
Granted: Mar 28, 2000
Filed: Sep 10, 1998
Inventors
John A. Gunther
Mark DeRoche
Assignee (at issue)
Bell Sports, 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.