Patents by Inventor Frank Witkowski

Frank Witkowski 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).

  • Hinging apparatus and method for a control cover
    Publication number: 20060243270
    Abstract: In accordance with one embodiment of the present invention, a pivoting and sliding member is provided. The pivoting and sliding member includes a housing covering controls for a combustion appliance, a first and second pivot pin attached to the housing in a substantially parallel manner having sufficient strength to permit the housing to pivot and slide about the first and second pivot pins, and an elongated receiving slot configured to receive one of the first or second pivot pins and dimension to permit at least one of the first and second pivot pins to pivot within and slide along the elongated receiving slot. A method of manipulating a control cover on a combustion device is provided.
    Type: Application
    Filed: April 29, 2005
    Publication date: November 2, 2006
    Inventors: Kenneth Moskwa, Fred Hoffmaster, H. Ryan, Frank Witkowski, Wayne Miller
  • Cover
    Patent number: D846599
    Type: Grant
    Filed: April 4, 2016
    Date of Patent: April 23, 2019
    Assignee: The Raymond Corporation
    Inventors: Howard Scott Ryan, Gregory W Smiley, Frank Witkowski
  • Cover
    Patent number: D865820
    Type: Grant
    Filed: March 1, 2019
    Date of Patent: November 5, 2019
    Assignee: The Raymond Corporation
    Inventors: Howard Scott Ryan, Gregory W. Smiley, Frank Witkowski
  • Bumper
    Patent number: D867403
    Type: Grant
    Filed: March 1, 2019
    Date of Patent: November 19, 2019
    Assignee: The Raymond Corporation
    Inventors: Howard Scott Ryan, Gregory W. Smiley, Frank Witkowski