Average Co-Inventor Count = 2.67
ph-index = 2
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. Royal Grip, Inc. (2 from 4 patents)
2 patents:
1. D383822 - Grip
2. D363963 - Golf club grip