Average Co-Inventor Count = 2.57
ph-index = 3
The patent ph-index is calculated by counting the number of publications for which an author has been cited by other authors at least that same number of times.
Company Filing History:
1. Purina Mills, Inc. (2 from 26 patents)
2. Ralston Purina Company (1 from 128 patents)
3 patents:
1. 5378477 - Method of feeding a consumption modifying supplement to ruminants
2. 5169656 - Efficient feeding frequency
3. 4171385 - Animal feed block containing magnesium oxide