Patents by Inventor Jack Parsons

Jack Parsons 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).

  • Metal grating
    Patent number: 4126980
    Abstract: A metal floor grating comprises a number of parallel load carrying bars interconnected by a number of crossbars, the load carrying bars having an upper (in use) flange or flanges and the bars having a number of plain holes through which the crossbars extend, the crossbars being mechanically deformed betwen the load carrying bars to provide sections having at least one dimension greater than the corresponding dimension of the plain holes, and sections lying within the holes of greater length than the thickness of the load carrying members.
    Type: Grant
    Filed: June 17, 1977
    Date of Patent: November 28, 1978
    Assignee: Norton Engineering Alloys Company Limited
    Inventor: Jack Parsons