Average Co-Inventor Count = 2.80
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. Binney & Smith Inc. (5 from 134 patents)
2. Crayola Llc. (2 from 131 patents)
7 patents:
1. 9180724 - Dry-erase drawing sheet and apparatus
2. D730448 - Marker cap
3. D481533 - Pencil case
4. 6626600 - Writing instrument
5. 6565275 - Marker with eraser
6. 6505984 - Crayon with eraser
7. D402314 - Pencil sharpener