Average Co-Inventor Count = 2.25
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. Union Special Corporation (3 from 216 patents)
3 patents:
1. 5363784 - Sewing cloth handling device
2. 5197722 - Cloth folding device with airblower for uncurling ends
3. 5190275 - Sleeve loader