DL

David A. Lockhart

Caterpillar: 3 patents #2,162 of 8,398Top 30%
📍 East Peoria, IL: #90 of 393 inventorsTop 25%
🗺 Illinois: #21,447 of 84,256 inventorsTop 30%
Overall (All Time): #1,250,594 of 4,157,543Top 35%
4
Patents All Time

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
D564165 Stowable laundry caddy Carol Mae King 2008-03-11
4303362 Coil wound spacer 1981-12-01
4300273 Method for making laminated spacer plate for engines 1981-11-17
4211205 Laminated spacer plate for engines and method for making the same 1980-07-08