Average Co-Inventor Count = 2.83
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. Crayola Llc. (11 from 130 patents)
11 patents:
1. D915510 - Chalk holder
2. D915511 - Chalk holder
3. 10864766 - Spiral art device
4. D876538 - Chalk holder set
5. D876539 - Chalk holder set
6. D859527 - Rollerball marker
7. 10286413 - Outdoor paint sprayer
8. 10195623 - Marker airbrush
9. 10081027 - Marker airbrush
10. 10040312 - Roller-ball paint marker
11. 9713815 - Marker airbrush