RR

Ray A. Richard

OE Otis Engineering: 1 patents #122 of 228Top 55%
📍 Effurun, NG: #1 of 1 inventorsTop 100%
Overall (All Time): #3,852,223 of 4,157,543Top 95%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5119875 Hydraulically actuated lock system — 1992-06-09