Patents Assigned to Anthony L. Zavilenski, Jr.
  • Racket string tensioning device
    Patent number: 4721304
    Abstract: A tension adjusting device for rackets. The system allows the player to adjust the tension of a number of strings while in the course of a match. By rotating a device having an offcenter hole and irregular sides the string which through it passes is extended or allowed to contract thereby providing a difference in the play of the racket.
    Type: Grant
    Filed: September 13, 1985
    Date of Patent: January 26, 1988
    Assignee: Anthony L. Zavilenski, Jr.
    Inventor: Anthony L. Zavilenski, Jr.