ER·4 Trademark
ER·4 is a USPTO trademark filed by Etymotic Research, Inc.. Status: Registered.
Trademark Facts
| Mark | ER·4 |
|---|---|
| Serial Number | 78646413 |
| Registration Number | 3170876 |
| Status | Registered |
| Filing Date | 2005-06-08 |
| Registration Date | 2006-11-14 |
| Mark Type | Word |
| Nice Classes | 009 (Electronics & Software) |
| Owner | Etymotic Research, Inc. |
| Attorney of Record | Ronald A DiCerbo |
| Prosecution Events | 25 |
| Latest Event | REM2 on 2025-11-14 |
Goods & Services
Insert earphones and replacement parts therefor for use with sound-emitting devices