Granted Patent
Utility
US 6,183,398 · App. 09/249,189
Exercise trainer with a stride multiplier
Inventors:
John Rufino, Yong Ming Goh
Patented Case
View Patent ↗
Granted: Feb 6, 2001
Filed: Feb 12, 1999
Inventors
John Rufino
Yong Ming Goh
Assignee (at issue)
Unisen, 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.