Patents by Inventor Peter L. Maddock

Peter L. Maddock 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).

  • Terminal box with electrical outlets
    Patent number: D253105
    Type: Grant
    Filed: March 7, 1977
    Date of Patent: October 9, 1979
    Assignee: Telefonaktiebolaget L M Ericsson
    Inventors: Bengt E. Legerius, Peter L. Maddock
  • Control unit for paging system
    Patent number: D255032
    Type: Grant
    Filed: August 23, 1978
    Date of Patent: May 20, 1980
    Assignee: Telefonaktiebolaget L M Ericsson
    Inventor: Peter L. Maddock
  • Channel system for electric conductors
    Patent number: D256579
    Type: Grant
    Filed: March 7, 1977
    Date of Patent: August 26, 1980
    Assignee: Telefonaktiebolaget L M Ericsson
    Inventors: Bengt E. Legerius, Peter L. Maddock