Patents by Inventor Albin D. Lengyel

Albin D. Lengyel 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: 4617049
    Abstract: A method for treating a stand of coniferous trees growing by natural processes and exposed to an atmosphere containing nitrogen pollutant compounds to improve the resistance of the trees to damage by acid rain. The method comprises the step of foliarly applying a sugar and source of potassium of magnesium to the coniferous trees growing in the stand of trees exposed to the atmosphere.
    Type: Grant
    Filed: August 22, 1985
    Date of Patent: October 14, 1986
    Inventor: Albin D. Lengyel
  • Patent number: 4597883
    Abstract: An improved frost protection composition for plants. The composition includes sugar, potassium sulfate, iron chelate and manganese chelate dissolved in water. The composition is applied directly to the foliage and fruit of a plant prior to the plant's being subjected to freezing temperatures.
    Type: Grant
    Filed: May 14, 1985
    Date of Patent: July 1, 1986
    Inventor: Albin D. Lengyel