Patents by Inventor John Krzyzewski

John Krzyzewski 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).

  • Arsenical creosote wood preservatives
    Patent number: 4656060
    Abstract: A novel stable, homogeneous aqueous solution for application to wood surfaces is provided herein. The aqueous solution consists essentially of creosote, a conventional inorganic wood preservative component, ammonia and an oil. The oil and the creosote are present in specified proportions in the aqueous solution. When the solution is applied to wood, and the wood dried, a creosote-treated wood surface which may be painted is provided.
    Type: Grant
    Filed: June 17, 1985
    Date of Patent: April 7, 1987
    Inventor: John Krzyzewski