Patents by Inventor Roger W. Tasker

Roger W. Tasker 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).

  • Patent number: 4991414
    Abstract: A lockable handle assembly includes a handle supported on a backplate, with a lock body retained in a slideway in the head of the handle. The lock body has a protruding first pin which engages within the back plate in a locking position, and a second pin which travels along a second recess. A biasing spring is retained against the second pin.
    Type: Grant
    Filed: December 21, 1989
    Date of Patent: February 12, 1991
    Assignee: Window Machinery Sales Limited
    Inventors: Joseph Moore, Roger W. Tasker