Average Co-Inventor Count = 1.20
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. Spencer Wright Industries, Inc. (3 from 101 patents)
3 patents:
1. 4241676 - Tufting machine looper with clip
2. 4194457 - Tufting machine needles
3. 4138956 - Tufting needle modular unit