Average Co-Inventor Count = 4.44
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. Cascade Engineering, Inc. (1 from 63 patents)
2. Spartech Industries, Inc. (1 from 2 patents)
2 patents:
1. 5865915 - Bi-directional anti-slip drive wheel assembly
2. 5716107 - Wheel assembly