Patents by Inventor William K. H. Lakin

William K. H. Lakin 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: 4911988
    Abstract: A preservative element, for timber or masonry in the form of a shaped element containing an organic boron compound, especially a boro-organic ester. Preferably the element also contains inorganic boron salts or acids, with or without the addition of other inorganic compounds having fungicidal and/or insecticidal properties.
    Type: Grant
    Filed: October 6, 1988
    Date of Patent: March 27, 1990
    Assignee: Manchem Limited
    Inventors: Raymond C. Cass, William K. H. Lakin