Patents by Inventor Dennis Sidney Hall

Dennis Sidney Hall 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: 4081311
    Abstract: Mechanism is provided whereby, at the option of an operator, a cementing machine may conveniently be converted from an edge folding arrangement to an edge binding arrangement, or vice versa. Instead of requiring services of a mechanic for the purpose, the operator simply mounts the appropriate finger and gauge block and positions a locking lever for the desired mode of operation.The invention is particularly suitable for operating on uppers of shoes but its utility is applicable to other flexible sheet workpieces.
    Type: Grant
    Filed: May 31, 1977
    Date of Patent: March 28, 1978
    Assignee: USM Corporation
    Inventor: Dennis Sidney Hall