Inventor
Hector QUERRY
Inventor
CH
Overview
Patents· 3 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
H04Rprimary
H04RLoudspeakers, microphones, gramophone pick-ups or like acoustic electromechanical transducers50%
A45BWalking sticks25%
H02KDynamo-electric machines25%
Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2024–2025Patents assigned to OLTRAMARE MICHEL (2)· patent assignee history
2024–2025Based in CH· patent location history
2025Patents assigned to CHEVILLARD ERIC (1)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| OLTRAMARE MICHEL | 2 | 2024–2025 |
| CHEVILLARD ERIC | 1 | 2025 |
Locations
| Location | Patents | Span |
|---|---|---|
| CH | 3 | 2024–2025 |