Inventor
UMBARGER C JOHN
US5 patents
⚠️ This page may combine multiple inventors who share the name “UMBARGER C JOHN”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
US ENERGY
4 patentsUS4550381AOct 29, 1985
Spectrometer gun
US ENERGY22 citations80
US4197461AApr 8, 1980
Miniaturized radiation chirper
US ENERGY17 citations72
US4596933AJun 24, 1986
Batteryless magneto-driven portable radiac
US ENERGY14 citations67
US3988615AOct 26, 1976
Method for radioactivity monitoring
US ENERGY17 citations65