Average Co-Inventor Count = 2.40
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. O'gara-hess & Eisenhardt Armoring Co. (2 from 4 patents)
2 patents:
1. 6101917 - Turret drive mechanism
2. 5663520 - Vehicle mine protection structure