Average Co-Inventor Count = 2.75
ph-index = 4
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 (18 from 14,059 patents)
19 patents:
1. D1101287 - Hearing protection cups
2. D1089600 - Reusable filter frame for filter media
3. D1052230 - Face mask
4. D1029788 - Voice masking headphone
5. D1027486 - Dispenser for a roll good
6. D1013183 - Brace support hook tab
7. 11547215 - Footrest device
8. D951350 - Dispenser for tape or other roll goods
9. D950970 - Footrest
10. 11320856 - Display systems and devices
11. D876649 - Elbow support
12. D873914 - Tape dispenser
13. D867451 - Note dispenser
14. D855696 - Tape dispenser
15. D851262 - Knee support