Average Co-Inventor Count = 2.37
ph-index = 6
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 (6 from 14,059 patents)
2. 3m Innovation Properties Company (1 from 42 patents)
7 patents:
1. D776257 - Personal respiratory protection device
2. D679402 - Medical dressing
3. D646380 - Grey respiratory mask having black lines of demarcation
4. 7444687 - Hearing protective device that includes cellular earmuffs
5. 6484726 - Articulating earplug
6. D445893 - Earplug
7. D445894 - Earplug