Average Co-Inventor Count = 5.46
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 Bowling, Inc. (2 from 33 patents)
2 patents:
1. 5800274 - Bowling alley bumper system for producing visual effects
2. 5630761 - Bowling ball return mechanism