MS

Michael B. Spektor

📍 Portland, OR: #65 of 245 inventorsTop 30%
🗺 Oregon: #204 of 1,007 inventorsTop 25%
Overall (1994): #89,641 of 165,921Top 55%
1
Patents 1994

Issued Patents 1994

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5311950 Differential pneumopercussive reversible self-propelled soil penetrating machine — 1994-05-17