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. The Reuben B. Klamer Living Trust (2 from 2 patents)
2. Mattel, Inc. (1 from 1,702 patents)
3. The Reuben B. Klmaer Living Trust (1 from 1 patent)
4 patents:
1. D592724 - Roller skate
2. D563483 - Game
3. D541879 - Game
4. 6322088 - Convertible skate