Granted Patent
Utility
US 5,643,149 · App. 08/611,652
Fitness rope
Inventors:
Christine Grimaldi, Matthew Grimaldi, Stephen Hall
Patented Case
View Patent ↗
Granted: Jul 1, 1997
Filed: Mar 6, 1996
Inventors
Christine Grimaldi
Matthew Grimaldi
Stephen Hall
Assignee (at issue)
Authentic Fitness Products, 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.