Average Co-Inventor Count = 1.29
ph-index = 4
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. Simplicity Pattern Co. Inc. (6 from 7 patents)
6 patents:
1. 8991020 - Hand held felting machine
2. D701039 - Crochet hook
3. 8602211 - Needle holder
4. 8596096 - Knitting loom
5. 8567708 - Portable bobbin winder
6. 8402794 - Hinged knitting loom