Patents by Inventor Philip L. Null

Philip L. Null 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).

  • Convertible bench
    Patent number: D244644
    Type: Grant
    Filed: January 5, 1976
    Date of Patent: June 14, 1977
    Assignee: Null Manufacturing Corporation
    Inventor: Philip L. Null
  • Seat
    Patent number: D244650
    Type: Grant
    Filed: January 5, 1976
    Date of Patent: June 14, 1977
    Assignee: Null Manufacturing Corporation
    Inventor: Philip L. Null
  • Seat
    Patent number: D247398
    Type: Grant
    Filed: September 13, 1976
    Date of Patent: March 7, 1978
    Assignee: Null Manufacturing Corporation
    Inventors: Philip L. Null, Richard G. Brown
  • Table
    Patent number: D247405
    Type: Grant
    Filed: September 13, 1976
    Date of Patent: March 7, 1978
    Assignee: Null Manufacturing Corporation
    Inventors: Philip L. Null, Richard G. Brown