Average Co-Inventor Count = 1.20
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. Spokane Industries, Inc. (3 from 25 patents)
3 patents:
1. 6601789 - Rock crusher impact shoe
2. D367865 - Single breaker rock crusher anvil
3. D362450 - Rock crusher anvil