Average Co-Inventor Count = 2.00
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. Eagle Rubber Co., Inc. (5 from 6 patents)
5 patents:
1. 4362193 - Inflating apparatus for playballs
2. 4351521 - Riding toy for children with spring support base
3. D265334 - Spring mounted riding toy
4. D265224 - Spring mounted riding toy
5. D265223 - Spring mounted riding toy