Patents by Inventor Herbert C. Scribner, Jr.

Herbert C. Scribner, Jr. 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).

  • Method of making leather fiber insulation by drying-case hardening and product thereof
    Patent number: 4288498
    Abstract: Chrome tanned leather scrap is converted into thermal insulation by shredding the tanned leather scrap into leather fibers, without damaging the structural fiber integrity, and case hardening the shredded leather fibers. The shredded leather fibers are case hardened by reducing the moisture content thereof to less than 5% by weight, and preferably less than 2%.
    Type: Grant
    Filed: May 6, 1980
    Date of Patent: September 8, 1981
    Assignee: Collagen Corporation
    Inventor: Herbert C. Scribner, Jr.