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. Marvin Glass & Associates (2 from 422 patents)
2 patents:
1. 4027877 - Game device
2. 3989393 - Scrubbing device