Patents by Inventor James M. Cohn

James M. Cohn 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).

  • Electrical control devices
    Patent number: 4305321
    Abstract: A potentiometer comprises a support member having first and second support regions and an intermediate region located therebetween, a resistive member supported on the support member at the first support region thereof and having a longitudinal dimension extending transversely of a line from the first support region to the second support region, and a resilient contact member secured to the support member at the second support region and extending over the intermediate region and terminating superjacent the resistive member.
    Type: Grant
    Filed: October 10, 1978
    Date of Patent: December 15, 1981
    Inventor: James M. Cohn