Trademark: EFR
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Mark Identification
Proof of use for EFR
We do not have any records of a proof of use for EFR at this moment.
Possible trademark infringements of EFR
Basic Information about EFR
- Serial Number
- 97127303
- Filing Date
- 16 Nov 2021
- Mark Drawing Code
- 4
Classifications
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- First use of EFR anywhere
- No first use declared yet.
- First use in commerce
- There is no first use of this trademark in commerce detected yet.
- Status Code
- 6
- International Code
- 009
- US Codes
- 021; 023; 026; 036; 038
Who owns EFR?
1. Yield Engineering Systems, Inc. Fremont CA
Correspondent
- Duy Thai
- Gamma Law
- P.O. Box 136
- SAN FRANCISCO CA 94104
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