Average Co-Inventor Count = 1.00
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. Lyman Products Corporation (2 from 9 patents)
2 patents:
1. D290013 - Vibratory tumbler base
2. D288819 - Vibratory tumbler