Patents Represented by Attorney John k. Mickevicius

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  • Combination rear dump and bottom dump semi trailer
    Patent number: 4883321
    Abstract: The present invention relates to a new type of trailer for trucks used in the construction industry. The invention discloses a combination bottom dump and end dump trailer in a single unit. The trailer generally comprises a cargo area, a bottom dump hatch in the cargo area, a tailgate door and lifting rams to lift the front of the trailer up to allow cargo to be dumped out the tailgate.
    Type: Grant
    Filed: December 30, 1987
    Date of Patent: November 28, 1989
    Inventor: Wallace D. Voigt
  • Method for constructing a combination rear dump and bottom dump trailer
    Patent number: 4733451
    Abstract: The present invention relates to a new type of trailer for trucks used in the construction industry. The invention discloses a combination bottom dump and tail dump trailer in a single unit and a method to build such a unit. The trailer generally comprises a cargo area, a bottom dump hatch in the cargo area, a tailgate door and lifting rams to lift the front of the trailer up to allow cargo to be dumped out the tailgate.
    Type: Grant
    Filed: April 25, 1986
    Date of Patent: March 29, 1988
    Inventor: Wallace D. Voigt