Patents by Inventor Nickolas E. Marchitto

Nickolas E. Marchitto 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).

  • Fail safe roller switch
    Patent number: 5959272
    Abstract: A switch (8) having an arm (12) and a roller (16) includes a biasing force generating means (140, 150, 160) for operating the switch in the event the roller (16) is detached.
    Type: Grant
    Filed: December 23, 1997
    Date of Patent: September 28, 1999
    Assignee: Otis Elevator Company
    Inventor: Nickolas E. Marchitto