Average Co-Inventor Count = 1.64
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. Great American Trolley Co. (3 from 3 patents)
3 patents:
1. D482457 - Trolley stop/shelter
2. D481972 - Trolley
3. D472849 - Trolley