Average Co-Inventor Count = 1.11
ph-index = 4
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 832,812 patents)
2. Versa Corporation (1 from 29 patents)
3. Terrain King Corporation (1 from 4 patents)
5 patents:
1. 6402624 - Amusement ride without hubs and spokes
2. 5957779 - Tower
3. 5957778 - Tower ride
4. 5564983 - Tower ride
5. 4217789 - Hydraulic drive means and controls therefor