Patents by Inventor Lynn B. Cromrich

Lynn B. Cromrich 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).

  • Insulated face brick
    Patent number: 4963305
    Abstract: A light weight, insulated facing brick is provided with a first outer layer formed from conventional bricking clay and a second insulative layer formed from a combination of clay and expanded vermiculite, which greatly increases the insulative qualities of the brick and also reduces its weight.
    Type: Grant
    Filed: April 10, 1989
    Date of Patent: October 16, 1990
    Assignee: Leonard Bloom
    Inventors: John Cromrich, Lynn B. Cromrich
  • Insulated face brick
    Patent number: 4831802
    Abstract: A lightweight, insulated facing brick is provided with a first outer layer formed from conventional bricking clay and a second insulative layer formed from a combination of clay and expanded vermiculite, which greatly increases the insulative qualities of the brick and also reduces its weight.
    Type: Grant
    Filed: May 13, 1985
    Date of Patent: May 23, 1989
    Assignee: Leonard Bloom
    Inventors: John Cromrich, Lynn B. Cromrich