Patents by Inventor Cornelius P. Blackman

Cornelius P. Blackman 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).

  • Rod antenna with loading coil and quick-connect coupling assembly
    Patent number: 4210914
    Abstract: An improved apparatus for use in sending and/or receiving radio frequency electrical signals includes a radio which is connected with an antenna. The antenna includes an antenna rod and a loading coil which are connected with a base by a quick-connective coupling assembly. A second quick-connective coupling assembly is utilized to connect an antenna cable with a terminal on the radio.
    Type: Grant
    Filed: July 29, 1977
    Date of Patent: July 1, 1980
    Assignee: The Hansen Manufacturing Company
    Inventor: Cornelius P. Blackman