Average Co-Inventor Count = 5.46
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. Playpower, Inc. (8 from 14 patents)
8 patents:
1. D1099250 - Playground climber
2. D1030911 - Play fence
3. D1022060 - Play barnyard
4. D1017721 - Play market stand
5. D956884 - Play truck
6. D943700 - Play tree
7. D943698 - Playhouse
8. D943699 - Playhouse