Granted Patent
Utility
US 6,234,921 · App. 09/305,768
Sports racquets with tripod weighting
Inventors:
Stephen J. Davis, Brian J. Blonski, Joseph J. Wolverton
Patented Case
View Patent ↗
Granted: May 22, 2001
Filed: May 5, 1999
Inventors
Stephen J. Davis
Brian J. Blonski
Joseph J. Wolverton
Assignee (at issue)
Benetton Sportsystem USA, 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.