Patents by Inventor Allen J. Cohen

Allen J. Cohen 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).

  • Landing gear for model airplanes
    Patent number: 5575700
    Abstract: The invention is directed to landing gears for model airplanes. Both the nosegear and the main landing gear are constructed by using an in-line structure having an axial coil spring which is connected to the airplane structure by a shank. The shank is configured to be in-line and generally coaxial with axial coil spring.
    Type: Grant
    Filed: May 8, 1995
    Date of Patent: November 19, 1996
    Inventor: Allen J. Cohen