David A. Bernhardt

Person

  • Utica, MI, US

Patents Grantslast 30 patents

  • Information Patent Grant

    Finger insert for a bowling ball

    • Patent number 5,308,061
    • Issue date May 3, 1994
    • Davalor Mold Corporation
    • David A. Bernhardt
    • A63 - SPORTS GAMES AMUSEMENTS
  • Information Patent Grant

    Finger insert for a bowling ball

    • Patent number 5,176,378
    • Issue date Jan 5, 1993
    • Davalor Mold Corporation
    • David A. Bernhardt
    • A63 - SPORTS GAMES AMUSEMENTS
  • Information Patent Grant

    Finger insert for a bowling ball

    • Patent number 5,123,644
    • Issue date Jun 23, 1992
    • Davalor Mold Corp.
    • David A. Bernhardt
    • A63 - SPORTS GAMES AMUSEMENTS
  • Information Patent Grant

    Bowling ball finger insert

    • Patent number 5,002,276
    • Issue date Mar 26, 1991
    • Davalor Mold Corporation
    • David A. Bernhardt
    • A63 - SPORTS GAMES AMUSEMENTS