Granted Patent
Utility
US 6,165,107 · App. 09/271,733
Flexibly coordinated motion elliptical exerciser
Inventor:
James S. Birrell
Patented Case
View Patent ↗
Granted: Dec 26, 2000
Filed: Mar 18, 1999
Inventor
James S. Birrell
Assignee (at issue)
ILLINOIS TOOL WORKS 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.