Average Co-Inventor Count = 1.64
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. Pullman Incorporated (3 from 228 patents)
3 patents:
1. 4372604 - Stowable armrest table assembly
2. 4136621 - Railway hopper car door locking mechanism
3. 4051960 - Locking end actuating mechanism for railway hopper car doors