TREA

Double-sided stringing

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Industry

  • CPC
  • A63B51/06
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Parent Industries

AHUMAN NECESSITIES A63Sports, games A63BAPPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING BALL GAMES TRAINING EQUIPMENT A63B51/00Stringing tennis, badminton or like rackets Strings therefore Maintenance of racket strings

Current Industry

A63B51/06Double-sided stringing
Industries

Patents Grantslast 30 patents

  • Information Patent Grant

    Racquet with channeled handle for receiving racquet string
    • Patent number 6,935,975
    • Issue date Aug 30, 2005
    • Wilson Sporting Goods Co.
    • Chin-Chi Chang
    • A63 - SPORTS GAMES AMUSEMENTS
  • Information Patent Grant

    Double stringed tennis racquet with grommet insert
    • Patent number 6,254,499
    • Issue date Jul 3, 2001
    • Barry A. Tarleton
    • A63 - SPORTS GAMES AMUSEMENTS
  • Information Patent Grant

    Double stringed tennis racquet
    • Patent number 5,743,822
    • Issue date Apr 28, 1998
    • Barry A. Tarleton
    • A63 - SPORTS GAMES AMUSEMENTS
  • Information Patent Grant

    Racquet stringing
    • Patent number 5,443,575
    • Issue date Aug 22, 1995
    • Ben Huang
    • A63 - SPORTS GAMES AMUSEMENTS
  • Information Patent Grant

    Double-strung game racquet and method for stringing
    • Patent number 5,423,532
    • Issue date Jun 13, 1995
    • Hung C. Huang
    • A63 - SPORTS GAMES AMUSEMENTS
  • Information Patent Grant

    Double strung tennis racquet
    • Patent number 5,322,279
    • Issue date Jun 21, 1994
    • Prince Manufacturing, Inc.
    • Stephen J. Davis
    • A63 - SPORTS GAMES AMUSEMENTS
  • Information Patent Grant

    Arrangement of stringing holes in the yoke of a racket
    • Patent number 5,255,912
    • Issue date Oct 26, 1993
    • Kuni Tseng
    • A63 - SPORTS GAMES AMUSEMENTS
  • Information Patent Grant

    Adhesive filament and membrane racquet
    • Patent number 5,253,874
    • Issue date Oct 19, 1993
    • Hilco Corporation
    • Donald L. Hoffman
    • A63 - SPORTS GAMES AMUSEMENTS
  • Information Patent Grant

    Double faced sports racquet
    • Patent number 4,804,183
    • Issue date Feb 14, 1989
    • Redkey; Robert H.
    • Brian A. Doran
    • A63 - SPORTS GAMES AMUSEMENTS
  • Information Patent Grant

    Sports racket
    • Patent number 4,802,678
    • Issue date Feb 7, 1989
    • Rodney A. Svoma
    • A63 - SPORTS GAMES AMUSEMENTS
  • Information Patent Grant

    Racket string filament
    • Patent number 4,462,591
    • Issue date Jul 31, 1984
    • Charles A. Kenworthy
    • A63 - SPORTS GAMES AMUSEMENTS
  • Information Patent Grant

    Rackets
    • Patent number 4,320,900
    • Issue date Mar 23, 1982
    • Robin M. Blackburne
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Game rackets and paddles with nonparallel playing surfaces
    • Patent number 4,293,129
    • Issue date Oct 6, 1981
    • Leo N. Planakis
    • A63 - SPORTS GAMES AMUSEMENTS
  • Information Patent Grant

    Paddle racquet
    • Patent number 4,262,903
    • Issue date Apr 21, 1981
    • Joseph Naret
    • A63 - SPORTS GAMES AMUSEMENTS
  • Information Patent Grant

    Game racquets
    • Patent number 4,213,608
    • Issue date Jul 22, 1980
    • Mithra S. Krishnan
    • A63 - SPORTS GAMES AMUSEMENTS
  • Information Patent Grant

    Sports racquet
    • Patent number 4,206,917
    • Issue date Jun 10, 1980
    • Guy Guillem
    • A63 - SPORTS GAMES AMUSEMENTS
  • Information Patent Grant

    Rackets
    • Patent number 4,204,680
    • Issue date May 27, 1980
    • Robin M. Blackburne
    • A63 - SPORTS GAMES AMUSEMENTS
  • Information Patent Grant

    Tennis racket and method of making same
    • Patent number 4,190,249
    • Issue date Feb 26, 1980
    • Werner Fischer
    • A63 - SPORTS GAMES AMUSEMENTS
  • Information Patent Grant

    Tennis racket
    • Patent number 4,189,142
    • Issue date Feb 19, 1980
    • Robert de Vries
    • A63 - SPORTS GAMES AMUSEMENTS
  • Information Patent Grant

    Tennis racket
    • Patent number 4,141,549
    • Issue date Feb 27, 1979
    • Thomas J. Hayes
    • A63 - SPORTS GAMES AMUSEMENTS
  • Information Patent Grant

    Sports racket
    • Patent number 4,076,241
    • Issue date Feb 28, 1978
    • Ernest L. Newsome
    • A63 - SPORTS GAMES AMUSEMENTS
  • Information Patent Grant

    Rackets
    • Patent number 4,049,269
    • Issue date Sep 20, 1977
    • Robin Michael Blackburne
    • A63 - SPORTS GAMES AMUSEMENTS
  • Information Patent Grant

    Racquet with two independently strung faces
    • Patent number 3,968,966
    • Issue date Jul 13, 1976
    • The Raymond Lee Organization, Inc.
    • Cesare A. D'Aquanni
    • A63 - SPORTS GAMES AMUSEMENTS
  • Information Patent Grant

    3926431
    • Patent number 3,926,431
    • Issue date Dec 16, 1975
    • A63 - SPORTS GAMES AMUSEMENTS
  • Information Patent Grant

    3904202
    • Patent number 3,904,202
    • Issue date Sep 9, 1975
    • A63 - SPORTS GAMES AMUSEMENTS
  • Information Patent Grant

    1558507
    • Patent number 1,558,507
    • Issue date Oct 27, 1925
    • A63 - SPORTS GAMES AMUSEMENTS
  • Information Patent Grant

    1502845
    • Patent number 1,502,845
    • Issue date Jul 29, 1924
    • A63 - SPORTS GAMES AMUSEMENTS

Patents Applicationslast 30 patents