Average Co-Inventor Count = 2.12
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 (2 from 1,246 patents)
2. Other (1 from 832,761 patents)
3 patents:
1. 6089428 - Bike rack
2. 4040277 - Automated home knitting machine with program card reader
3. 3991592 - Automated home knitting machine