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Donald A. Frederick

LS Litton Systems: 3 patents #1 of 51Top 2%
📍 Calabasas, CA: #16 of 285 inventorsTop 6%
🗺 California: #2,168 of 28,370 inventorsTop 8%
Overall (2004): #30,012 of 270,089Top 15%
3
Patents 2004

Issued Patents 2004

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
6768829 Architecture for large optical fiber array using standard 1×2 couplers Craig W. Hodgson 2004-07-27
6744965 Pressure vessel Akbar Arab-Sadeghabadi, Agop Hygasov Cherbettchian, Kurt R. Carlson 2004-06-01
6728165 Acoustic sensing system for downhole seismic applications utilizing an array of fiber optic sensors John A. Roscigno, Craig W. Hodgson, William Knaack 2004-04-27