Inventor
LUEDTKE ARTHUR
13 patents
⚠️ This page may combine multiple inventors who share the name “LUEDTKE ARTHUR”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
US FIELD OPERATIONS BUREAU OF
7 patentsUS4229744AOct 21, 1980
Directional annular slot antenna
US FIELD OPERATIONS BUREAU OF32 citations89
US4028709AJun 7, 1977
Adjustable yagi antenna
US FIELD OPERATIONS BUREAU OF46 citations89
US4410890AOct 18, 1983
VHF Directional receiver
US FIELD OPERATIONS BUREAU OF39 citations86
US4318106AMar 2, 1982
Direction finding system
US FIELD OPERATIONS BUREAU OF9 citations72
US4317120AFeb 23, 1982
Sector scan ADF system
US FIELD OPERATIONS BUREAU OF10 citations68
US4003057AJan 11, 1977
Rear window direction finding antenna
US FIELD OPERATIONS BUREAU OF4 citations59
US4025924AMay 24, 1977
Mobile direction comparator
US FIELD OPERATIONS BUREAU OF4 citations58