HD

Henry S. Duffee

📍 Florence, SC: #5 of 26 inventorsTop 20%
🗺 South Carolina: #43 of 707 inventorsTop 7%
Overall (1994): #32,473 of 165,921Top 20%
2
Patents 1994

Issued Patents 1994

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
5294132 Semi-cartridge seal James M. Downing 1994-03-15
5290047 Bearing protection device Denise M. Ard 1994-03-01