Average Co-Inventor Count = 3.43
ph-index = 1
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. Crayola Llc. (3 from 131 patents)
3 patents:
1. D1105242 - Writing utensil
2. D1094546 - Writing utensil
3. 12391060 - Apparatus for adjustably retaining an expendable medium for writing and/or drawing