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. Thompson Manufacturing Company (2 from 6 patents)
2 patents:
1. D286805 - Sprinkler
2. 4033510 - Arc-traversing water sprinkler