Average Co-Inventor Count = 5.00
ph-index = 2
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. Binney & Smith Inc. (1 from 134 patents)
2. Crayola Llc. (1 from 130 patents)
2 patents:
1. 7329062 - Retractable writing instrument
2. 6964534 - Retractable writing instrument