Patents by Inventor Eugene E. Redlin

Eugene E. Redlin 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).

  • Gemstone drill
    Patent number: 4076007
    Abstract: A depressed drill assembly and vibratory work piece support for abrasive cutting in a zone immersed in liquid with or without abrasive grit, wherein vertically disposed excursions aligned with the gravitational axis of the drill assembly intermittently lifts the latter for access and entry of said grit and/or liquid into the cutting zone intermediate the drill and work piece, whereby holes are accurately cut through gemstones and the like.
    Type: Grant
    Filed: March 29, 1976
    Date of Patent: February 28, 1978
    Inventor: Eugene E. Redlin