Patents by Inventor Elsie Szilagyi

Elsie Szilagyi 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).

  • Eradication of phreatophytes and preservation of ground water
    Patent number: 4569153
    Abstract: The eradication of phreatophytes by enclosing them in transparent or translucent moisture-proof covers, thereby resulting in cessation of transpiration.
    Type: Grant
    Filed: February 14, 1984
    Date of Patent: February 11, 1986
    Inventor: Elsie Szilagyi