Patents by Inventor Friedrich W. Romer

Friedrich W. Romer 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).

  • Drive and brake system for motor vehicles with four-wheel drive
    Patent number: 4466519
    Abstract: A braking arrangement for a four-wheel drive vehicle, facilitating an engagement of the front-wheel drive when the service brakes acting on the vehicle rear axle are actuated.
    Type: Grant
    Filed: April 9, 1981
    Date of Patent: August 21, 1984
    Assignee: International Harvester Co.
    Inventor: Friedrich W. Romer