Average Co-Inventor Count = 1.20
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. Other (3 from 832,961 patents)
3 patents:
1. 5826517 - Bogie coupling system for convertible railway-railroad vehicle
2. 5539635 - Radio station program identifier and distribution system
3. 5220870 - Convertible highway-railway hauling vehicle