RD

Ronald M. Dufrane

TE The Ensign-Bickford: 5 patents #10 of 81Top 15%
ED Ensign-Bickford Aerospace & Defense: 4 patents #4 of 54Top 8%
📍 West Granby, CT: #4 of 25 inventorsTop 20%
🗺 Connecticut: #4,552 of 34,797 inventorsTop 15%
Overall (All Time): #479,723 of 4,157,543Top 15%
10
Patents All Time

Issued Patents All Time

Showing 1–10 of 10 patents

Patent #TitleCo-InventorsDate
12252453 Coreless-coil shock tube system with reduced noise Micah S. Casebier, Scott Crespi 2025-03-18
11845703 Coreless-coil shock tube system with reduced noise Micah S. Casebier, Scott Crespi 2023-12-19
11554998 Coreless-coil shock tube system with reduced noise Micah S. Casebier, Scott Crespi 2023-01-17
11192832 Coreless-coil shock tube system with reduced noise Micah S. Casebier, Scott Crespi 2021-12-07
7490554 Initiation fixture and an initiator assembly including the same David Charles Lynch, Jeffrey M Kezerian, Jack C. Cotner 2009-02-17
5747722 Detonators having multiple-line input leads Ernest L. Gladden 1998-05-05
5708228 Method and apparatus for transfer of initiation signals Daniel P. Sutula, Jr., Thomas F. Lilley, Jr., Thomas C. Tseka, Steven L. Renfro, Jeffrey H. Burton +2 more 1998-01-13
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
5031538 Delay train ignition buffer Ernest L. Gladden, Robert G. Pallanck 1991-07-16