Inventor
LEFEBVRE MICKAEL BERNARD ANDRE
CN6 patents
⚠️ This page may combine multiple inventors who share the name “LEFEBVRE MICKAEL BERNARD ANDRE”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
Shenzhen grandsun electronic co ltd
5 patentsUS11310579B2Apr 19, 2022
Headset
Shenzhen grandsun electronic co ltd3 citations69
US11387027B2Jul 12, 2022
Radial magnetic circuit assembly device and radial magnetic circuit assembly method
Shenzhen grandsun electronic co ltd0 citations50
US10735864B2Aug 4, 2020
Speaker
Shenzhen grandsun electronic co ltd0 citations39
US10694294B2Jun 23, 2020
Metal diaphragm and speaker
Shenzhen grandsun electronic co ltd0 citations39
US10667058B2May 26, 2020
Diaphragm and speaker
Shenzhen grandsun electronic co ltd0 citations39