RD

Ronald M. Dufrane

TE The Ensign-Bickford: 2 patents #3 of 17Top 20%
📍 West Granby, CT: #1 of 2 inventorsTop 50%
🗺 Connecticut: #242 of 2,266 inventorsTop 15%
Overall (1997): #26,102 of 185,788Top 15%
2
Patents 1997

Issued Patents 1997

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
5703320 Connector for blast initiation system Frank J. Lucca, Daniel P. Sutula, Jr., Ernest L. Gladden 1997-12-30
5661256 Slider member for booster explosive charges Daniel P. Sutula, Jr., Daniel Toro, Lyman G. Bahr, Brendan Welch, Ronald D. Thomas 1997-08-26