Patents by Inventor Jacob R. Rosenfeld

Jacob R. Rosenfeld 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).

  • Force balance transmitter and method of making the same
    Patent number: 3945257
    Abstract: A force balance transmitter having a substantially flat base plate detachably carrying a primary unit and a secondary unit on an upper substantially flat surface thereof. A bell crank flexure pivot operatively interconnects a primary arm of the primary unit to a secondary arm of the secondary unit.
    Type: Grant
    Filed: July 12, 1974
    Date of Patent: March 23, 1976
    Assignee: Robertshaw Controls Company
    Inventor: Jacob R. Rosenfeld