Patents by Inventor Joseph Leopold Lajoie

Joseph Leopold Lajoie 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).

  • Patent number: 4064307
    Abstract: Compositions are provided which employ a fibrous, cellular, absorbent organic material in place of asbestos fiber as a reinforcing and thickening additive; a wide variety of compositions including cements, sealants and paints can be made; a particularly preferred fibrous material is a foamed urea-formaldehyde crushed to a fibrous mass.
    Type: Grant
    Filed: October 18, 1976
    Date of Patent: December 20, 1977
    Assignee: L. Lajoie Inc.
    Inventor: Joseph Leopold Lajoie