DF

David B. Frankel

Caterpillar: 2 patents #2,982 of 8,398Top 40%
📍 Cary, NC: #1,796 of 3,681 inventorsTop 50%
🗺 North Carolina: #18,756 of 45,564 inventorsTop 45%
Overall (All Time): #2,271,487 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
5645134 Engine enclosure assembly Scott E. Jeffers, John E. Myslik 1997-07-08
5462309 Stackable counterweight arrangement Scott E. Jeffers 1995-10-31