Average Co-Inventor Count = 3.88
ph-index = 6
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. (13 from 131 patents)
2. Binney & Smith Inc. (5 from 134 patents)
18 patents:
1. D1105242 - Writing utensil
2. D1094546 - Writing utensil
3. 12391060 - Apparatus for adjustably retaining an expendable medium for writing and/or drawing
4. 11407247 - Crayon storing and dispensing device
5. 10842271 - Quick assembly articulating easel
6. 10787023 - Writing implement with magnetic component
7. 10688523 - Solid marking material melting applicator wand
8. 10632781 - Crayon carving device
9. 10471617 - Pixel art crayon and marker photo array assembly and kit
10. 10195623 - Marker airbrush
11. 10081027 - Marker airbrush
12. 9713815 - Marker airbrush
13. 7329062 - Retractable writing instrument
14. 6964534 - Retractable writing instrument
15. 6626600 - Writing instrument