Average Co-Inventor Count = 3.33
ph-index = 3
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. 3m Innovative Properties Company (4 from 14,076 patents)
4 patents:
1. 6506277 - Abrasive sheet dispenser and method of use
2. 6193337 - Abrasive sheet dispenser
3. 6136143 - Surface treating article including a hub
4. D415378 - Dispenser for abrasive sheets