Average Co-Inventor Count = 1.00
ph-index = 2
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. Keystone Retaining Wall Systems, Inc. (2 from 218 patents)
2 patents:
1. D397451 - Section of a retaining wall with plantable blocks
2. D384168 - Plantable wall block