Patents by Inventor Helgard M. Kirsch

Helgard M. Kirsch 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).

  • Means for disposing spent chemical solutions from processor
    Patent number: 4171716
    Abstract: The disclosure is a two-solution tray, each a substantial duplicate of the other, and each illustrating the principle of a chicken feeder supply, an overflow control that doubles as a drain cock and a sealed system drain container for ecologically safe disposal of spent chemicals.
    Type: Grant
    Filed: March 27, 1978
    Date of Patent: October 23, 1979
    Assignee: AM International, Inc.
    Inventors: Francis S. Szabo, Helgard M. Kirsch