Granted Patent
Utility
US 6,436,014 · App. 09/230,384
Universal resistance cross-training system
Inventor:
David Cirjak
Patented Case
View Patent ↗
Granted: Aug 20, 2002
Filed: Jan 22, 1999
Inventor
David Cirjak
Assignee (at issue)
The Hygenic 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.