AR

Alan H. Rosman

DS Dynamic Hydraulic Systems: 2 patents #1 of 1Top 100%
📍 Calabasas, CA: #16 of 235 inventorsTop 7%
🗺 California: #676 of 10,592 inventorsTop 7%
Overall (1989): #31,331 of 140,708Top 25%
2
Patents 1989

Issued Patents 1989

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4848085 Oil-well pumping system or the like — 1989-07-18
4801126 Hydraulically operated lift mechanism — 1989-01-31