Patents by Inventor Luther C. Hahn

Luther C. Hahn 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: PP5151
    Abstract: A very large, vigorous productive grapevine, having a slender trunk and very long split straps, reddish brown bark, medium to long cane and round, slightly enlarged nodes and shoots basically green with reddish longitudinal striations and tips growing straight up, bifurcated and trifurcated tendrils, medium size bud, slightly pointed, medium size leaves with U shaped petiolar sinus; date of bloom and fruit ripening 7-10 days earlier than Superior Seedless (U.S. Plant Pat. No. 3,106) and 14 days earlier than Thompson Seedless (unpatented), clusters of medium size, loose to compact, seedless white colored berries irregular in size, mostly large, firm, crisp, attractive, sweet taste, attributable to an early high solids-sugar and low acid content.
    Type: Grant
    Filed: January 11, 1982
    Date of Patent: December 6, 1983
    Assignee: Superior Farming Company
    Inventors: Luther C. Hahn, Joseph Maranto