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. Champion Toy Company (2 from 2 patents)
2. Other (1 from 832,891 patents)
3 patents:
1. 5207442 - Toy vehicle with track and roller drive train
2. 5110148 - Three-wheeled scooter with reciprocating treadle drive
3. 4880249 - Pedal operated vehicle with cam and cam follower drive assembly