Patents by Inventor A. Ludgero Marques

A. Ludgero Marques 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).

  • Door plate
    Patent number: D326806
    Type: Grant
    Filed: February 23, 1990
    Date of Patent: June 9, 1992
    Assignee: Broadway Industries, Inc.
    Inventor: A. Ludgero Marques
  • Door lever
    Patent number: D328850
    Type: Grant
    Filed: February 22, 1990
    Date of Patent: August 25, 1992
    Assignee: Broadway Industries, Inc.
    Inventor: A. Ludgero Marques
  • Door lever
    Patent number: D328851
    Type: Grant
    Filed: February 23, 1990
    Date of Patent: August 25, 1992
    Assignee: Broadway Industries, Inc.
    Inventor: A. Ludgero Marques
  • Door lever
    Patent number: D328852
    Type: Grant
    Filed: February 23, 1990
    Date of Patent: August 25, 1992
    Assignee: Broadway Industries, Inc.
    Inventor: A. Ludgero Marques
  • Door lever
    Patent number: D329008
    Type: Grant
    Filed: February 22, 1990
    Date of Patent: September 1, 1992
    Assignee: Broadway Industries, Inc.
    Inventor: A. Ludgero Marques
  • Door lever
    Patent number: D329009
    Type: Grant
    Filed: February 23, 1990
    Date of Patent: September 1, 1992
    Assignee: Broadway Industries, Inc.
    Inventor: A. Ludgero Marques