Granted Patent
Utility
US 6,440,044 · App. 09/630,423
Resistance mechanism with series connected resistance packs
Inventors:
Paul S. Francis, William N. Nelson, Teryl K. Rouse
Patented Case
View Patent ↗
Granted: Aug 27, 2002
Filed: Aug 1, 2000
Inventors
Paul S. Francis
William N. Nelson
Teryl K. Rouse
Assignee (at issue)
SpiraFlex 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.