SD

Semion Dorfman

3M: 1 patents #582 of 1,473Top 40%
Overall (2020): #282,116 of 565,922Top 50%
1
Patents 2020

Issued Patents 2020

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
10561532 Method of retrofitting a hearing protector, and a hearing protector Van Cuong Bui, Anton J. Hjalmarsson, Roger Kihlberg, Yossi Sivilia, Sahar Fisch +4 more 2020-02-18