NB

Nelson L. Butts

UE US EPA: 2 patents #11 of 127Top 9%
📍 Hillsborough, NC: #100 of 252 inventorsTop 40%
🗺 North Carolina: #14,587 of 45,564 inventorsTop 35%
Overall (All Time): #1,654,782 of 4,157,543Top 40%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
5322052 Fireplace with destruction of products of incomplete combustion enhanced by a gaseous-fueled pilot burner Robert C. McCrillis, Wade H. Ponder, James H. Abbott 1994-06-21
5179933 Single chamber wood stove including gaseous hydrocarbon supply Robert C. McCrillis, Wade H. Ponder, James H. Abbott 1993-01-19
5007404 Woodstove for heated air forced into a secondary combustion chamber and method of operating same Robert E. Hall, Graig A. Spolek, John H. Wasser 1991-04-16