Average Co-Inventor Count = 6.63
ph-index = 1
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. Werner Co. (3 from 214 patents)
3 patents:
1. 12398597 - Ladder and ladder top
2. 12392197 - Ladder, top and method
3. 10590703 - Ladder, top and method