Average Co-Inventor Count = 3.00
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. Cosco Management, Inc. (2 from 324 patents)
2 patents:
1. 7967111 - Stepladder
2. D562991 - Step stool