Patents by Inventor Carl D. Engstrom

Carl D. Engstrom 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).

  • Process for preparing a moist pet food additive, the additive, and the resultant pet food
    Patent number: 4015026
    Abstract: A stabilized proteinaceous particle containing either egg or cottage cheese is formed by combining therewith a binder and an amylaceous component. The resultant particle is incorporated in a moist food and is stable under retort canning conditions used to sterilize a moist food.
    Type: Grant
    Filed: August 14, 1975
    Date of Patent: March 29, 1977
    Assignee: The Quaker Oats Company
    Inventors: Morris P. Burkwall, Jr., Carl D. Engstrom, Robert F. Snyder