Average Co-Inventor Count = 4.29
ph-index = 3
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. Racine Railroad Products, Inc. (3 from 24 patents)
3 patents:
1. 5438931 - Rail anchor remover
2. 5142987 - Automatic anchor applicator
3. 5117760 - Rail anchor spreader with rail clamp and adjustable head assembly