DB

David L. Bump

📍 Traverse City, MI: #105 of 318 inventorsTop 35%
🗺 Michigan: #35,034 of 86,293 inventorsTop 45%
Overall (All Time): #2,311,063 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
5141052 Wellhead stuffing box for polished rod and accessories for same — 1992-08-25
5137083 Wellhead stuffing box for polished rod and accessories for same — 1992-08-11