Patents by Inventor Laurence H. J. Bates

Laurence H. J. Bates 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).

  • Door handle mechanisms
    Patent number: 4202575
    Abstract: A door handle mechanism including a handle and a mounting plate, comprising a housing secured against rotation relatively to the mounting plate, the housing containing a torsion spring, engaged between the housing and part of the handle extending within the housing, and a stop plate secured on the handle part co-operable with the housing to limit handle rotation and the stop plate serving also to enclose the spring within the housing.
    Type: Grant
    Filed: October 20, 1977
    Date of Patent: May 13, 1980
    Assignee: G. & S. Allgood (Holdings) Limited
    Inventor: Laurence H. J. Bates