Average Co-Inventor Count = 4.44
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. Amf Gmbh (2 from 296 patents)
2 patents:
1. D274741 - Game ball racket
2. D272553 - Squash racket