Average Co-Inventor Count = 1.29
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. Melissa & Doug, LLC (3 from 25 patents)
3 patents:
1. 9914324 - Kit for simulated stained glass article, article produced from the kit, and substrate for the article
2. D729314 - Pencil and crayon sharpener
3. D720808 - Pencil and crayon sharpener