Patents by Inventor Don Koenig

Don Koenig 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: 5492835
    Abstract: A testing apparatus and method for the immediate testing of painted surfaces to determine the type of paint and/or presence of mildews or lead wherein the apparatus includes an outer resealable wrapper and at least one test packet including a secondary swab saturated with a first predetermined substance and a primary swab saturated with a second predetermined substance. The primary swab has an adhesive border which permits the test pouch to be temporarily adhered to a surface being tested.
    Type: Grant
    Filed: July 13, 1994
    Date of Patent: February 20, 1996
    Assignee: Gerald J. Churchill
    Inventor: Don Koenig