DH

Don M. Houlberg

📍 Port Washington, WI: #66 of 146 inventorsTop 50%
🗺 Wisconsin: #17,084 of 40,088 inventorsTop 45%
Overall (All Time): #2,366,099 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4326613 Solenoid activated spring clutch — 1982-04-27
4324010 Drive unit for adjustable beds Larry D. Anderson, Frank M. Damico 1982-04-13