Average Co-Inventor Count = 1.33
ph-index = 3
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. Werner; Frank D. (2 from 2 patents)
4 patents:
1. D415807 - Golf club driver head
2. D340494 - Golf putter head
3. D307043 - Golf club head
4. D291902 - Golf club head