Patents by Inventor Gerard M. Mulligan

Gerard M. Mulligan 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).

  • Dual concentric, electrically isolated, multi-function rotatable flexible shaft
    Patent number: 4475820
    Abstract: Flexible shafting has an outer flexible shaft with a hollow central bore for receiving an electrically insulating flexible tube which, in turn, receives an inner flexible shaft therein. The outer and inner flexible shafts are capable of rotating independently of each other while simultaneously transmitting an electric current.
    Type: Grant
    Filed: October 22, 1982
    Date of Patent: October 9, 1984
    Assignee: Pennwalt Corporation
    Inventor: Gerard M. Mulligan