Patents by Inventor Douglas Lawton Prochnow

Douglas Lawton Prochnow has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Vehicle device and method
    Patent number: 11414056
    Abstract: The present invention provides a vehicle leveling device with an upper arcuate support presenting a substantially planar surface and a lower support with an arcuate groove configured for rotational receipt of the upper arcuate support opposite the substantially planar surface, a rotational axis aligned with the arcuate groove and extending between a front and a rear associated with the upper arcuate support and parallel to the substantially planar surface; the upper arcuate support configured for rotation about the rotational axis.
    Type: Grant
    Filed: April 21, 2020
    Date of Patent: August 16, 2022
    Inventor: Douglas Lawton Prochnow
  • VEHICLE DEVICE AND METHOD
    Publication number: 20200406868
    Abstract: The present invention provides a vehicle leveling device with an upper arcuate support presenting a substantially planar surface and a lower support with an arcuate groove configured for rotational receipt of the upper arcuate support opposite said substantially planar surface, a rotational axis aligned with the arcuate groove and extending between a front and a rear associated with the upper arcuate support and parallel to the substantially planar surface; the upper arcuate support configured for rotation about said rotational axis.
    Type: Application
    Filed: April 21, 2020
    Publication date: December 31, 2020
    Inventor: Douglas Lawton Prochnow