Inventor
HELVY FRED A
US4 patents
⚠️ This page may combine multiple inventors who share the name “HELVY FRED A”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
BURLE TECHNOLOGIES
3 patentsUS4855642AAug 8, 1989
Focusing electrode structure for photomultiplier tubes
BURLE TECHNOLOGIES24 citations90
US5077504ADec 31, 1991
Multiple section photomultiplier tube
BURLE TECHNOLOGIES41 citations89
US5336967AAug 9, 1994
Structure for a multiple section photomultiplier tube
BURLE TECHNOLOGIES10 citations71