Douglas Chilson

📍 Huron, SD: #1 of 5 inventorsTop 20%

🗺 South Dakota: #7 of 67 inventorsTop 15%

Overall (1994): #141,615 of 165,921Top 90%

Patents 1994

Issued Patents 1994

Showing 1–1 of 1 patents

Patent #	Title	Co-Inventors	Date
5351992	Itinerary planner	Pamela Chilson	1994-10-04