Average Co-Inventor Count = 3.27
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. The Singer Company (3 from 1,246 patents)
3 patents:
1. 4040277 - Automated home knitting machine with program card reader
2. 4036035 - Automated home knitting machine
3. 4015445 - Automated home knitting machine with means for controlling the knitting