DO

David P. Oliver

📍 Winnipeg, CA: #458 of 1,797 inventorsTop 30%
Overall (All Time): #2,313,245 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
5174411 Ladder improvements David Shrimpton 1992-12-29
4222419 Log splitter — 1980-09-16