Average Co-Inventor Count = 1.00
ph-index = 1
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. Waltco Truck Equipment Company (1 from 9 patents)
2. Sumrall, Doyle (0 patent)
1 patent:
1. 6109675 - Hinged member for a rear impact guard