RK

Roger Kihlberg

3M: 2 patents #234 of 1,260Top 20%
📍 Ronneby, SE: #1 of 10 inventorsTop 10%
Overall (2016): #104,199 of 481,213Top 25%
2
Patents 2016

Issued Patents 2016

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
9517366 Respirator mask speech enhancement apparatus and method — 2016-12-13
9498658 Respirator mask speech enhancement apparatus and method — 2016-11-22