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William J. Wichman

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  • Glendora, CA, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Folding display frame for forming column-like structures
    • Patent number 5,351,843
    • Issue date Oct 4, 1994
    • Wichman; William J.
    • William J. Wichman
    • G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
  • Information Patent Grant

    Display frame with folding display attachment devices
    • Patent number 5,125,205
    • Issue date Jun 30, 1992
    • Wichman; William John
    • William J. Wichman
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
  • Information Patent Grant

    Folding display frame with offset hub configuration
    • Patent number 4,986,016
    • Issue date Jan 22, 1991
    • William J. Wichman
    • G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
  • Information Patent Grant

    Sunglasses with visor
    • Patent number 4,976,530
    • Issue date Dec 11, 1990
    • Wichman; William John
    • Frederick G. Mackay
    • G02 - OPTICS
  • Information Patent Grant

    Diagonal assembly for folding display frames
    • Patent number 4,809,471
    • Issue date Mar 7, 1989
    • Wichman; William J.
    • William J. Wichman
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
  • Information Patent Grant

    Collecting base for a marble game ramp
    • Patent number D294959
    • Issue date Mar 29, 1988
    • Discovery Toys, Inc.
    • William J. Wichman
    • D21 - Games, toys, and sports goods
  • Information Patent Grant

    Marble game ramp
    • Patent number D294044
    • Issue date Feb 2, 1988
    • Discovery Toys, Inc.
    • William J. Wichman
    • D21 - Games, toys, and sports goods
  • Information Patent Grant

    Marble game ramp
    • Patent number D293696
    • Issue date Jan 12, 1988
    • Discovery Toys, Inc.
    • William J. Wichman
    • D21 - Games, toys, and sports goods
  • Information Patent Grant

    Marble race game
    • Patent number 4,713,038
    • Issue date Dec 15, 1987
    • Discovery Toys, Inc.
    • William J. Wichman
    • A63 - SPORTS GAMES AMUSEMENTS
  • Information Patent Grant

    Marble game ramp
    • Patent number D290143
    • Issue date Jun 2, 1987
    • Discovery Toys, Inc.
    • William J. Wichman
    • D21 - Games, toys, and sports goods
  • Information Patent Grant

    Marble game ramp
    • Patent number D290145
    • Issue date Jun 2, 1987
    • Discovery Toys, Inc.
    • William J. Wichman
    • D21 - Games, toys, and sports goods
  • Information Patent Grant

    Marble game ramp
    • Patent number D290028
    • Issue date May 26, 1987
    • Discovery Toys, Inc.
    • William J. Wichman
    • D21 - Games, toys, and sports goods
  • Information Patent Grant

    Marble game ramp
    • Patent number D290026
    • Issue date May 26, 1987
    • Discovery Toys, Inc.
    • William J. Wichman
    • D21 - Games, toys, and sports goods
  • Information Patent Grant

    Toy chain link
    • Patent number D278920
    • Issue date May 21, 1985
    • Discovery Toys
    • William J. Wichman
    • D21 - Games, toys, and sports goods
  • Information Patent Grant

    Trickle irrigator
    • Patent number 3,954,223
    • Issue date May 4, 1976
    • Rain Bird Sprinkler Mfg., Corporation
    • William J. Wichman
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...