Average Co-Inventor Count = 3.00
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. Consolidation Coal Company (1 from 59 patents)
1 patent:
1. 4969691 - Method and apparatus permitting beltway advance in a mining scheme