Average Co-Inventor Count = 5.29
ph-index = 3
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 217 patents)
3 patents:
1. 6142255 - Ladder, member for connecting a rail to a horizontal element of a
2. 5791439 - Ladder, member for connecting a rail to a horizontal element of a
3. 5636706 - Ladder, member for connecting a rail to a horizontal element of a