DM

Don P. McCollor

EF Energy And Environmental Research Center Foundation: 1 patents #1 of 3Top 35%
📍 Mayville, ND: #2 of 6 inventorsTop 35%
🗺 North Dakota: #9 of 89 inventorsTop 15%
Overall (1994): #140,927 of 165,921Top 85%
1
Patents 1994

Issued Patents 1994

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5331846 Long duration ash probe John Hurley, Stanley J. Selle 1994-07-26