Patents Assigned to PTL Equipment Manufacturing Co., Inc.
  • Escalator switch panel
    Patent number: D348623
    Type: Grant
    Filed: January 15, 1993
    Date of Patent: July 12, 1994
    Assignee: PTL Equipment Manufacturing Co., Inc.
    Inventors: Robert M. Coronato, Robert M. Coronato, Jr.
  • Escalator switch panel
    Patent number: D354044
    Type: Grant
    Filed: April 11, 1994
    Date of Patent: January 3, 1995
    Assignee: PTL Equipment Manufacturing Co., Inc.
    Inventors: Robert M. Coronato, Robert M. Coronato, Jr.
  • Escalator switch panel
    Patent number: D354045
    Type: Grant
    Filed: April 11, 1994
    Date of Patent: January 3, 1995
    Assignee: PTL Equipment Manufacturing Co., Inc.
    Inventors: Robert M. Coronato, Robert M. Coronato, Jr.