DH

David M. Haala

📍 Sleepy Eye, MN: #1 of 7 inventorsTop 15%
🗺 Minnesota: #19,064 of 52,454 inventorsTop 40%
Overall (All Time): #1,576,253 of 4,157,543Top 40%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
7546687 Framing tool — 2009-06-16
5671546 Vacuum remediation system — 1997-09-30
5134971 Live fowl conveyor Paul M. Krienke 1992-08-04