Average Co-Inventor Count = 1.41
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. Jerr-dan Corporation (2 from 29 patents)
2. The Carborundum Company (1 from 164 patents)
3. Jerr-dan Corportion (1 from 1 patent)
4 patents:
1. 4797057 - Wheel-lift tow truck
2. D284274 - Deck for transporter vehicle
3. 4353597 - Readily removable and replaceable wear pads for sliding bed vehicles
4. 4199904 - Retractable blast wheel carrier