Average Co-Inventor Count = 5.54
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. Pierce Manufacturing Company (3 from 12 patents)
3 patents:
1. 7784554 - Firefighting vehicle
2. 7621580 - Ambulance seating system
3. 7331586 - Vehicular storage system