Raymond F. Sewell

Person

  • St. Louis, MO, US

Patents Grantslast 30 patents

  • Information Patent Grant

    Dry mink feed

    • Patent number 4,143,169
    • Issue date Mar 6, 1979
    • Ralston Purina Company
    • Leroy V. Skoch
    • A23 - FOODS OR FOODSTUFFS THEIR TREATMENT, NOT COVERED BY OTHER CLASSES