Patents by Inventor Lawrence R. Martinelli

Lawrence R. Martinelli 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).

  • Metal article having three-dimensional wood grain and stainable coating
    Patent number: 4409276
    Abstract: A metal article is made to look like wood by impressing a three-dimensional wood grain pattern in its surface, coating the pattern with a translucent film, and staining the film. The stainable film is an acrylic resin filled with an extender pigment whose mean particle size is from about 5 to about 7 microns.
    Type: Grant
    Filed: January 11, 1982
    Date of Patent: October 11, 1983
    Assignee: United States Gypsum Company
    Inventors: Lawrence R. Martinelli, Geronimo E. Lat
  • Universal joining section for lawn and garden edging
    Patent number: D250774
    Type: Grant
    Filed: March 31, 1977
    Date of Patent: January 9, 1979
    Assignee: United States Gypsum Company
    Inventor: Lawrence R. Martinelli
  • Decorative window panel for doors
    Patent number: D260438
    Type: Grant
    Filed: June 12, 1978
    Date of Patent: August 25, 1981
    Assignee: United States Gypsum Company
    Inventor: Lawrence R. Martinelli
  • Decorative window panel for doors
    Patent number: D260439
    Type: Grant
    Filed: June 12, 1978
    Date of Patent: August 25, 1981
    Assignee: United States Gypsum Company
    Inventor: Lawrence R. Martinelli
  • Decorative window panel for doors
    Patent number: D260555
    Type: Grant
    Filed: June 12, 1978
    Date of Patent: September 1, 1981
    Assignee: United States Gypsum Company
    Inventor: Lawrence R. Martinelli
  • Sliding glass door
    Patent number: D292317
    Type: Grant
    Filed: May 29, 1984
    Date of Patent: October 13, 1987
    Assignee: United States Gypsum Company
    Inventor: Lawrence R. Martinelli
  • Sliding glass door
    Patent number: D292318
    Type: Grant
    Filed: May 29, 1984
    Date of Patent: October 13, 1987
    Assignee: United States Gypsum Company
    Inventor: Lawrence R. Martinelli
  • Sliding glass door
    Patent number: D292319
    Type: Grant
    Filed: May 29, 1984
    Date of Patent: October 13, 1987
    Assignee: United States Gypsum Company
    Inventor: Lawrence R. Martinelli
  • Decorative sliding door
    Patent number: D299755
    Type: Grant
    Filed: May 10, 1985
    Date of Patent: February 7, 1989
    Assignee: USG Corporation
    Inventor: Lawrence R. Martinelli