Patents Represented by Attorney Marc E. Brown

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  • High performance grinding king pin and associated apparatus
    Patent number: 4898398
    Abstract: Apparatus for attaching a skateboard truck to a skateboard base plate in a manner which does not result in any dangerous protrusions which might cause hang up during use. Included is an elongated member having a head with a cross-sectional area that gradually increases from the outer tip portion of the head in a smooth fashion such that there are no rough or sharply protruding edges or corners.
    Type: Grant
    Filed: December 9, 1987
    Date of Patent: February 6, 1990
    Inventor: Donald D. Cassel