LD

Larry D. Durchenwald

JD John Deere: 3 patents #1,495 of 5,518Top 30%
📍 Cedar Falls, IA: #156 of 441 inventorsTop 40%
🗺 Iowa: #4,661 of 15,303 inventorsTop 35%
Overall (All Time): #1,625,943 of 4,157,543Top 40%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
6015005 Respective inflatable arbors for making backdraft cavity in sand core and for forming part of core lift device insertable in cavity — 2000-01-18
4915157 Core handling apparatus — 1990-04-10
4696387 Workpiece rollover apparatus — 1987-09-29