DB

David McMahan Butler

FI Filmax: 1 patents #1 of 2Top 50%
📍 Knoxville, TN: #31 of 147 inventorsTop 25%
🗺 Tennessee: #223 of 1,057 inventorsTop 25%
Overall (1997): #164,461 of 185,788Top 90%
1
Patents 1997

Issued Patents 1997

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5691706 Transformer leak alarm Johnny James Clark 1997-11-25