Patents by Inventor John K. Buffenbarger

John K. Buffenbarger 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).

  • Seam forming apparatus
    Patent number: 4027611
    Abstract: A seam forming apparatus for forming standing seams to interconnect pairs of adjacent metallic panels.
    Type: Grant
    Filed: April 22, 1976
    Date of Patent: June 7, 1977
    Assignee: Armco Steel Corporation
    Inventors: Donald H. Ward, John K. Buffenbarger