Patents by Inventor Daniel J. Marsin

Daniel J. Marsin 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: 4171812
    Abstract: A mechanical golf green designed primarily for installation in a waste area such as a desert and on a mound of sand or comparable material. The mechanism comprises a central cylindrical cup and two annular compartments concentric with the cup. The cup and each of the annular compartments is formed with an inverted conical bottom terminating in a discharge opening. A return conduit is provided for each of these openings and has one end connected to the conical bottom and the other end to a sectional return receptacle which includes indicia for each section identifying the source from which a golf ball is returned.
    Type: Grant
    Filed: June 19, 1978
    Date of Patent: October 23, 1979
    Inventor: Daniel J. Marsin