DB

David L. Butler

📍 Charlotte, NC: #19 of 113 inventorsTop 20%
🗺 North Carolina: #217 of 1,241 inventorsTop 20%
Overall (1989): #123,768 of 140,708Top 90%
1
Patents 1989

Issued Patents 1989

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4832392 Quick lockable tilting hoist tackle — 1989-05-23