DC

David M. Christensen

📍 Sioux Falls, SD: #8 of 29 inventorsTop 30%
🗺 South Dakota: #27 of 126 inventorsTop 25%
Overall (2002): #236,454 of 266,432Top 90%
1
Patents 2002

Issued Patents 2002

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
6463926 Direct vent fireplace with baffled, directional exhaust and vent air column Christopher L. Flick, Corbit Beasey, Robert B. Zahm 2002-10-15