DM

Dave Ma

RL Research In Motion Limited: 3 patents #550 of 1,397Top 40%
SA Sonova Ag: 1 patents #167 of 295Top 60%
📍 Brampton, CA: #177 of 1,005 inventorsTop 20%
Overall (All Time): #1,147,318 of 4,157,543Top 30%
4
Patents All Time

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
11451911 Hearing device and method of manufacturing the same Mark Schmidt, Gabriel Perez, John Alfred Whitmore, Munsoo Bae 2022-09-20
7304254 Shock absorbent roller thumb wheel Herrebertus Tempelman, John A. Holmes 2007-12-04
7057120 Shock absorbent roller thumb wheel Herrebertus Tempelman, John A. Holmes 2006-06-06
6828518 Shock absorbent roller thumb wheel Herrebertus Tempelman, John A. Holmes 2004-12-07