DL

Douglas J. Lockhart

Caterpillar: 1 patents #4,437 of 8,398Top 55%
📍 Hammond, IL: #2 of 3 inventorsTop 70%
🗺 Illinois: #48,934 of 84,256 inventorsTop 60%
Overall (All Time): #3,257,886 of 4,157,543Top 80%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
7988593 Creep control for motor system Michael D. Staub, William J. Tate, Cameron T. Lane, Frederick Beach 2011-08-02