Patents by Inventor Jon R. Syverson, executors

Jon R. Syverson, executors 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: D246310
    Type: Grant
    Filed: July 16, 1975
    Date of Patent: November 8, 1977
    Assignee: Fountain Industries, Inc.
    Inventors: Martelle Jerome Syverson, deceased, by David B. Syverson, Jon R. Syverson, executors
  • Patent number: D246311
    Type: Grant
    Filed: July 16, 1975
    Date of Patent: November 8, 1977
    Assignee: Fountain Industries, Inc.
    Inventors: Martelle Jerome Syverson, deceased, by David B. Syverson, by Jon R. Syverson, executors