Patents by Inventor Santo A. DeFrancesco

Santo A. DeFrancesco 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: 5664744
    Abstract: A railway signal having a housing, in which the housing has an annular ledge thereon. The annular ledge has first and second opposed surfaces. One or more portions of the second ledge surface, preferably cast raised bosses, are machined so as to have a selected height. A reflector is mounted upon the first ledge surface. Also attached to the signal housing is a lamp receptacle bracket. The lamp receptacle bracket has a first end that is mounted upon the one or more machined portions of the second ledge surface. The lamp receptacle bracket also has a second end that has a lamp receptacle attached thereto. An insulating plate is disposed between the lamp receptacle flat portion and the lamp receptacle bracket flat surface.
    Type: Grant
    Filed: July 11, 1995
    Date of Patent: September 9, 1997
    Assignee: Union Switch & Signal Inc.
    Inventors: James P. Chew, Santo A. DeFrancesco, Richard S. Jones
  • Patent number: D554259
    Type: Grant
    Filed: June 14, 2006
    Date of Patent: October 30, 2007
    Assignee: RIC Investments, LLC
    Inventors: Elias G. Diacopoulos, Eugene N. Scarberry, Santo A. DeFrancesco, Robert Dale Parks, Christopher Stygar, Ronald B. Kemnitzer
  • Patent number: D554260
    Type: Grant
    Filed: June 14, 2006
    Date of Patent: October 30, 2007
    Assignee: RIC Investments, LLC
    Inventors: Elias G. Diacopoulos, Eugene N. Scarberry, Santo A. DeFrancesco, Robert Dale Parks, Christopher Stygar, Ronald B. Kemnitzer