DL

David Lehman

Caterpillar: 2 patents #39 of 387Top 15%
📍 Lewisberry, PA: #1 of 3 inventorsTop 35%
🗺 Pennsylvania: #615 of 5,394 inventorsTop 15%
Overall (2003): #71,044 of 273,478Top 30%
2
Patents 2003

Issued Patents 2003

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
6625977 Method and a system for removing particulates and toxic substances from an exhaust of an engine that use hydrocarbons as a fuel 2003-09-30
6564554 Method and apparatus to control a turbocharger wastegate using exhaust pressure Robert L. Hercey, Donald W. Heston 2003-05-20