Patents by Inventor Thomas Henken

Thomas Henken 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).

  • Sprinkler head
    Patent number: D297255
    Type: Grant
    Filed: October 4, 1985
    Date of Patent: August 16, 1988
    Assignee: Gilmour Manufacturing Co.
    Inventor: Thomas Henken