WH

William J. Hays

Caterpillar: 1 patents #4,437 of 8,398Top 55%
📍 Peoria, IL: #1,059 of 1,769 inventorsTop 60%
🗺 Illinois: #48,934 of 84,256 inventorsTop 60%
Overall (All Time): #3,738,415 of 4,157,543Top 90%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5499615 Direct injection propane fuel system for diesel engine applications Keith E. Lawrence, Kenneth Suda 1996-03-19