Patents by Inventor Wilhelm Schuler

Wilhelm Schuler 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).

  • Silage aid
    Patent number: 3982026
    Abstract: Propylene glycol esters of propionic acid are added to silage to improve the quality thereof.
    Type: Grant
    Filed: March 18, 1975
    Date of Patent: September 21, 1976
    Assignee: Deutsche Gold- und Silber-Scheideanstalt vormals Roessler
    Inventors: Rudolf Fahnenstich, Wilhelm Schuler, Herbert Tanner, Otto Weiberg