DC

David Allen Coolbaugh

📍 Huron, SD: #5 of 46 inventorsTop 15%
🗺 South Dakota: #511 of 2,308 inventorsTop 25%
Overall (All Time): #1,393,970 of 4,157,543Top 35%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
11673288 Battery powered portable log splitter 2023-06-13
7717773 Poultry stunning system Richard Woodford, Kenneth Rutledge, John Gregory Skinner 2010-05-18
7448943 Poultry stunning system Richard Woodford, Kenneth Rutledge, John Gregory Skinner 2008-11-11