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. Rockwell-rimoldi S.p.a. (2 from 92 patents)
2. Rockwell International Corporation (1 from 3,430 patents)
3 patents:
1. 4655151 - Convertible work support housing for a sewing machine
2. 4438717 - Needle protector for sewing machines
3. 4254722 - Needle driving apparatus for sewing machines