Average Co-Inventor Count = 1.50
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. Ralston Purina Company (1 from 128 patents)
2. Hasbro Industries, Inc. (1 from 48 patents)
3. Hasbro Development Corporation (1 from 12 patents)
3 patents:
1. 4196539 - Toy illuminating assembly
2. D247737 - Dog food scoop
3. 4068353 - Carton clip