DS

David R. Schlaefer

3M: 1 patents #455 of 1,204Top 40%
📍 Singapore, SG: #183 of 665 inventorsTop 30%
Overall (2003): #239,440 of 273,478Top 90%
1
Patents 2003

Issued Patents 2003

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
D469580 Red helmet respiratory protection device M. Antonia Sáez 2003-01-28