OL

Orphey A. Lien

📍 Poplar, MT: #1 of 1 inventorsTop 100%
🗺 Montana: #711 of 3,198 inventorsTop 25%
Overall (All Time): #1,651,139 of 4,157,543Top 40%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
5419691 Rotary engine piston and seal assembly — 1995-05-30
5339780 Centrifugal device for rotary engine — 1994-08-23
4721079 Rotary engine — 1988-01-26