Patents by Inventor Leonard Fahrer

Leonard Fahrer 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: 6296730
    Abstract: An adhesive and coating composition which is suitable for use in an aqueous environment is provided and which comprises a resin-plasticizer modified acrylonitrile-butadiene elastomer, dissolved in low-toxicity solvent. A method for repairing plastic sheet materials, particularly plastic sheet materials such as polyethylene (LDPE, MDPE), polypropylene (PP), polyvinyl chloride (PVC) and polyvinylidene chloride (PVDC),using the adhesive and coating composition wherein certain controls are effected is also provided. Such an adhesive composition provides a fast and extremely effective means for repairing perforations and tears in plastic sheet materials, is long lasting, safe and does not discolor over time.
    Type: Grant
    Filed: September 22, 1998
    Date of Patent: October 2, 2001
    Assignee: Union Laboratories, Inc.
    Inventors: John H. Williams, Leonard Fahrer