Patents by Inventor Dyfed Lewis

Dyfed Lewis 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: 4241085
    Abstract: N-acyl-methionine is added to ruminant fodder.
    Type: Grant
    Filed: March 12, 1979
    Date of Patent: December 23, 1980
    Assignee: Deutsche Gold- und Silber-Scheideanstalt vormals Roessler
    Inventors: Rudolf Fahnenstich, Joachim Heese, Dyfed Lewis
  • Patent number: 4093740
    Abstract: N-acyl-methionine is added to ruminant fodder.
    Type: Grant
    Filed: February 16, 1973
    Date of Patent: June 6, 1978
    Assignee: Deutsche Gold- und Silber-Scheideanstalt vormals Roessier
    Inventors: Rudolf Fahnenstich, Joachim Heese, Dyfed Lewis