Inventor
Ronnie S. Espiritu
Inventor
Castaic, CA, US
Overview
Patents· 7 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 transducers100%
PatentTitleYear
10,028,061Speaker surround structure for maximizing cone diameter20188,934,656'Speaker surround structure for maximizing cone diameter'20158,094,865'Speaker surround structure for maximizing cone diameter'20127,548,631'Speaker surround structure for maximizing cone diameter'20096,505,705'Compact vehicular loudspeaker with dual-standard mounting system'20036,002,780'Audio speaker having rotatable tweeter'19995,867,583'Twist-lock-mountable versatile loudspeaker mount'1999Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1999–2018Patents assigned to HARMAN INT IND (7)· patent assignee history
1999–2018Based in Castaic, CA, US· patent location history
2012–2015Patents assigned to ESPIRITU RONNIE S (2)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| HARMAN INT IND | 7 | 1999–2018 |
| ESPIRITU RONNIE Sself | 2 | 2012–2015 |
Locations
| Location | Patents | Span |
|---|---|---|
| Castaic, California, US | 7 | 1999–2018 |