Average Co-Inventor Count = 1.60
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. (2 from 215 patents)
2 patents:
1. 11851949 - Multipurpose ladder and method
2. 11280133 - 7000 series aluminum alloy ladder, multipurpose ladder and method