Granted Patent
Utility
US 5,562,283 · App. 08/438,981
Sports racquet having power ring
Inventors:
Stephen J. Davis, Richard Janes
Patented Case
View Patent ↗
Granted: Oct 8, 1996
Filed: May 11, 1995
Inventors
Stephen J. Davis
Richard Janes
Assignee (at issue)
Prince Sports, LLC
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.