P
PatentIndex
Search
Landscape
Sign in
Inventor
TRUMBLE FRANCIS R
GB
3 patents
⚠️ This page may combine multiple inventors who share the name “TRUMBLE FRANCIS R”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
EMI PLC THORN
2 patents
US4907012A
Mar 6, 1990
Antenna
EMI PLC THORN
14 citations
68
US5070278A
Dec 3, 1991
Discharge tube arrangement
EMI PLC THORN
2 citations
52
EMI LTD
1 patent
US4680591A
Jul 14, 1987
Helical antenna array with resonant cavity and impedance matching means
EMI LTD
29 citations
88