Average Co-Inventor Count = 1.00
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. Dalloz Safety Ab (1 from 11 patents)
2. Bilsom Ab (1 from 7 patents)
3 patents:
1. 5704069 - Cover for sealing ring of an earmuff
2. D292530 - Headband earplugs
3. 4671265 - Earplug device