Average Co-Inventor Count = 2.00
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. The United States of America, As Represented by the Secretary of the Interior (1 from 56 patents)
1 patent:
1. 6386037 - Void detector for buried pipelines and conduits using acoustic resonance