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. Wilco Marsh Buggies and Draglines, Inc. (2 from 9 patents)
2 patents:
1. 7849942 - Deep water amphibious vehicle
2. 6315622 - Amphibious vehicle chassis