Patents by Inventor Frederick Allen Rosebrock

Frederick Allen Rosebrock 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).

  • Patent number: 4046980
    Abstract: The switch comprises a unitary dielectric support member including a base portion to which the fixed ends of a plurality of pairs of cantilever contact springs are secured. Guide portions of the support member define a channel, and a plurality of cam follower portions integrally hinged to the base portion respectively extend between the free ends of an associated contact spring of each pair and the channel. An actuator positioned within the channel includes cam portions for engaging the cam follower portions of the support member and deflecting them so as to displace the associated contact springs.
    Type: Grant
    Filed: April 20, 1976
    Date of Patent: September 6, 1977
    Assignee: Bell Telephone Laboratories, Incorporated
    Inventor: Frederick Allen Rosebrock