Patents by Inventor Robert M. Birt

Robert M. Birt 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).

  • Motor vehicle window ventilator
    Patent number: 4799422
    Abstract: A motor vehicle window ventilator is provided which has a frame having a raised central portion to fit into at least a part of the encasement of the motor vehicle window, a fitting member attached to the frame by a resilient member, the fitting member being mateably insertable into at least a part of the encasement of the motor vehicle window. The bottom portion of the frame includes an indentation for receiving an edge of the motor vehicle window. An optional locking device can be attached to the frame and includes an elongated member which extends to and is connectable to the locking device of the motor vehicle.
    Type: Grant
    Filed: December 28, 1987
    Date of Patent: January 24, 1989
    Inventor: Robert M. Birt