Inventor
Michael Barrett
Inventor
Campbell, CA, US
Overview
Patents· 5 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 transducers27%
A47GHousehold or table equipment9%
A61FFilters implantable into blood vessels9%
B08BCleaning in general9%
C11CFatty acids from fats, oils or waxes9%
F21SNon-portable lighting devices9%
F21VFunctional features or details of lighting devices or systems thereof9%
F23DBurners9%
LOC269%
Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2011–2017Patents assigned to BARRETT MICHAEL (2)· patent assignee history
2011–2017Patents assigned to MURPHY MICHAEL (2)· patent assignee history
2011–2017Based in Clifden, IE· patent location history
2018–2020Patents assigned to EARGO INC (3)· patent assignee history
2018–2020Based in Campbell, CA, US· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| EARGO INC | 3 | 2018–2020 |
| BARRETT MICHAELself | 2 | 2011–2017 |
| MURPHY MICHAEL | 2 | 2011–2017 |
Locations
| Location | Patents | Span |
|---|---|---|
| Campbell, California, US | 3 | 2018–2020 |
| Clifden, IE | 2 | 2011–2017 |