The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jun. 11, 1991
Filed:
May. 24, 1989
Applicant:
Inventor:
Michael A Barone, Delray, FL (US);
Assignee:
Other;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A63B / ;
U.S. Cl.
CPC ...
273 / ; 273 / ;
Abstract
A device for changing the vibrations in the striking surface of a hand held sporting racquet having strings, the device comprising a block of one or more rigid materials having a cut-out mounting groove along the periphery of the block so as to have the block engage a set of adjacent strings when inserted between strings on the striking surface of the sporting racquet.