DL

Donald P. de Lackner

UN Unknown: 1 patents #29,356 of 83,584Top 40%
📍 Apple Valley, CA: #43 of 110 inventorsTop 40%
🗺 California: #247,236 of 386,348 inventorsTop 65%
Overall (All Time): #3,869,132 of 4,157,543Top 95%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4989795 Roller mill journal labyrinth lubrication system — 1991-02-05