Patents by Inventor Elmer Swenson

Elmer Swenson 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).

  • Grapevine
    Patent number: PP4928
    Abstract: A grapevine which exhibits winter hardiness down to -39.degree. F. in northern Wisconsin, with grapes of very low acidity and high sugar content, no labrusca flavor or aroma, and producing a good wine similar to a light to medium burgundy.
    Type: Grant
    Filed: February 11, 1981
    Date of Patent: November 9, 1982
    Inventor: Elmer Swenson
  • Grapevine
    Patent number: PP4943
    Abstract: A grapevine which exhibits winter hardiness down to -40.degree. F. in northern Wisconsin, producing white table grapes of fine eating quality, and with vigorous vines which are very resistant to mildew.
    Type: Grant
    Filed: February 11, 1981
    Date of Patent: November 16, 1982
    Inventor: Elmer Swenson
  • Grapevine
    Patent number: PP5588
    Abstract: A grapevine which exhibits winter hardiness to -35.degree. Fahrenheit in central or southern Wisconsin and Minnesota, produces a white wine of good quality, a grape with low-acidity, average sugar content and a flavor or aroma without the typical foxiness or labrusca of previous varieties.
    Type: Grant
    Filed: January 30, 1984
    Date of Patent: December 3, 1985
    Assignee: Swenson-Smith Vines, Inc.
    Inventor: Elmer Swenson
  • Grapevine
    Patent number: PP5716
    Abstract: A grapevine which exhibits excellent cultural characteristics such as resistance to mildew, winter hardiness down to -28.degree. Fahrenheit, open canopy, and grapes which produce an excellent white wine which is absent of labrusca flavor and aroma typical of such hardy varieties.
    Type: Grant
    Filed: August 29, 1984
    Date of Patent: April 15, 1986
    Assignee: Swenson-Smith Vines Inc.
    Inventor: Elmer Swenson
  • Grapevine-St. Pepin
    Patent number: PP5771
    Abstract: A grapevine which exhibits winter hardiness down to -32.degree. Fahrenheit in central Wisconsin and Minnesota, with usefulness as a white wine grape, having desirable aroma, flavor, acidity and sugar content, and with no foxiness or labrusca flavor or aroma.
    Type: Grant
    Filed: October 22, 1984
    Date of Patent: July 22, 1986
    Assignee: Swenson-Smith Vines, Inc.
    Inventor: Elmer Swenson