Average Co-Inventor Count = 1.50
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. Reell Precision Manufacturing Corporation (1 from 33 patents)
2. Reel Precision Maufacturing Corporation (1 from 1 patent)
2 patents:
1. 4263995 - Electromagnetic spring clutch
2. 3974902 - Magnetic spring grip device