Inventor

GROLLEAU CLAUDE

FR3 patents

⚠️ This page may combine multiple inventors who share the name “GROLLEAU CLAUDE”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

THOMSON CSF

2 patents

US4571525AFeb 18, 1986

Resonant coaxial cavities for a grid vacuum tube

THOMSON CSF3 citations58

US4311975AJan 19, 1982

Frequency band filter

THOMSON CSF2 citations54

THOMSON TUBES ELECTRONIQUES

1 patent

US5099332AMar 24, 1992

Grid tube with increased efficiency

THOMSON TUBES ELECTRONIQUES4 citations56