Average Co-Inventor Count = 5.81
ph-index = 4
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. Med-eng Systems Inc. (4 from 27 patents)
2. Allen-vanguard Technologies Inc. (1 from 5 patents)
5 patents:
1. 7805776 - Face protector and protective system
2. D531762 - Protective helmet
3. 6240558 - Hand protection system
4. D417756 - Helmet visor
5. 5946719 - Neck and head protection system