Patents by Inventor Jurgen W. Rabe

Jurgen W. Rabe 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 for protecting renovating and restoring stone, structures, monuments and the like
    Patent number: 5238616
    Abstract: A method of protecting, renovating, or restoring a stone structure comprises treating the stone structure with a solution that includes an aliphatic isocyanate and one or more organic solvents inert to the aliphatic isocyanate, the aliphatic isocyanate being cured by exposure to moisture.
    Type: Grant
    Filed: January 17, 1990
    Date of Patent: August 24, 1993
    Inventor: Jurgen W. Rabe