DF

Donald A. Frederick

LS Litton Systems: 2 patents #4 of 59Top 7%
📍 Calabasas, CA: #21 of 254 inventorsTop 9%
🗺 California: #1,869 of 17,285 inventorsTop 15%
Overall (1997): #42,043 of 185,788Top 25%
2
Patents 1997

Issued Patents 1997

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
5696857 WDM/FDM fiber optic sensor architecture using WDM tap coupler 1997-12-09
5625724 Fiber optic hydrophone having rigid mandrel John F. Cappi 1997-04-29