Average Co-Inventor Count = 3.46
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. Spartech Industries, Inc. (2 from 2 patents)
2. Other (1 from 832,843 patents)
3 patents:
1. 6508518 - Hubcap locking device
2. 5902018 - Hubcap locking device
3. 5865915 - Bi-directional anti-slip drive wheel assembly