Average Co-Inventor Count = 2.00
ph-index = 5
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. Ralston Purina Company (5 from 128 patents)
5 patents:
1. D254339 - Animal food product
2. D254336 - Animal food product
3. D254338 - Animal food product
4. D254337 - Animal food product
5. 4032665 - Simulated bone