Average Co-Inventor Count = 2.00
ph-index = 5
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. Other (2 from 832,812 patents)
2. Gregory; John R. (2 from 3 patents)
5 patents:
1. D284327 - Face guard for a motorcycle helmet
2. 4516273 - Upper body protector apparatus and method
3. D278280 - Chest and shoulder protector
4. D277520 - Face guard
5. 4467475 - Upper body protector apparatus