Average Co-Inventor Count = 4.42
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. (8 from 214 patents)
8 patents:
1. 12473782 - Multi-position ladder and portions thereof
2. 12320133 - Stairway work platform and method
3. D966558 - Hinge lock
4. D935207 - One-step work platform
5. D917724 - J lock
6. D917073 - Bracket cover
7. D916323 - Ladder foot
8. D908924 - Multipurpose ladder