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. Other (1 from 832,912 patents)
2. Washington Gas Light Company (1 from 5 patents)
2 patents:
1. 4288748 - Method for testing metal detectors
2. 4144486 - Apparatus for testing metal detectors