Patents by Inventor Paul F Roach

Paul F Roach 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).

  • Multiple function electronic drive
    Patent number: 7180209
    Abstract: An electronic drive system using a plurality of drive circuits for enabling greater plurality of functions by selectively placing drive signals on the driver outputs at one of two possible polarities. At least one of the enabled functions taking a substantially shorter time for enablement, thereby allowing at least two of the plurality of functions to share a common driver output enabling signal.
    Type: Grant
    Filed: January 8, 2004
    Date of Patent: February 20, 2007
    Assignee: DaimlerChrysler Corporation
    Inventors: Stephen L Hyde, Patrick D Dean, Paul F Roach, Sivapalan Balanayagam