Average Co-Inventor Count = 2.67
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. Other (1 from 832,966 patents)
2. The Budd Company (1 from 276 patents)
2 patents:
1. 4715292 - Head end vehicle with crew accommodations with locomotive and other
2. 4222335 - Means for manufacturing a modular railway car