Granted Patent
Utility
US 4,333,649 · App. 06/192,689
Racket string clamp
Inventors:
George A. Vaughn, Francis J. Fuchs, Jr.
Patented Case
View Patent ↗
Granted: Jun 8, 1982
Filed: Oct 1, 1980
Inventors
George A. Vaughn
Francis J. Fuchs, Jr.
Assignee (at issue)
AMF GmbH
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.