Average Co-Inventor Count = 5.25
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. Werner Co. (3 from 214 patents)
2. Other (1 from 832,680 patents)
5 patents:
1. D935053 - Ladder
2. D905869 - Ladder top
3. 10612305 - Ladder, Top and Method
4. 10324598 - System and method for a search engine content filter
5. D835807 - Ladder top