Average Co-Inventor Count = 2.00
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. Morrison Timing Screw Co. (2 from 12 patents)
2 patents:
1. D423546 - Light box
2. 6014829 - Light box for counter or wall display