DH

Don Hughes

📍 Columbus, IN: #23 of 83 inventorsTop 30%
🗺 Indiana: #496 of 1,942 inventorsTop 30%
Overall (1997): #158,298 of 185,788Top 90%
1
Patents 1997

Issued Patents 1997

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5690276 Two stage thermostatic valve device Peter Thiel, John F. Grote 1997-11-25