Average Co-Inventor Count = 4.00
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. Bradley Fixtures Corporation (2 from 169 patents)
2. Sellstrom Manufacturing Company (1 from 10 patents)
3 patents:
1. 8161576 - Protective headgear assembly
2. D588691 - Eyewash device
3. D572585 - Cap