Patents by Inventor Timothy Hamill

Timothy Hamill 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).

  • Educational visual apparatus
    Patent number: 4540368
    Abstract: Optical device comprising a base (14), transparent side wall (12A) and soap bubble (18) formation in arrangement, together with a light source, for viewing light from a source refracted from the bubble and which is supported as an arc from the base and side wall.
    Type: Grant
    Filed: November 14, 1983
    Date of Patent: September 10, 1985
    Inventors: Robert F. Kopacz, Timothy Hamill