Average Co-Inventor Count = 1.80
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. Mine Survival, Inc. (2 from 2 patents)
2. Breatheator Vest Systems LLC (1 from 1 patent)
3. Cowgill, David E (0 patent)
3 patents:
1. D869635 - Rebreather device
2. D857188 - Rebreather device
3. 8678001 - Wearable rebreathing apparatus