USPTO trademark

SA SINEWAVE AMPLIFICATION

RegisteredUSPTOWord and designClass 9

"SA SINEWAVE AMPLIFICATION" is a word and design mark owned by Chad Mangrum, filed at the USPTO on August 11, 2025. It is registered and covers class 9 (Computers and Scientific Devices).

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Official USPTO record
SA SINEWAVE AMPLIFICATION trademark as filed
As filed with the USPTO
Status
Registered
Since March 17, 2026
Filed
August 11, 2025
Registered
March 17, 2026
Expires
Not recorded
Application no.
99330817
Registration no.
8176050
Office
USPTO
United States Patent and Trademark Office
Mark type
Word and design
1 class
Ownership

Who owns SA SINEWAVE AMPLIFICATION

The owner and representative on file with the office.

Owner

Chad Mangrum

Santa Rosa, United States

Representative

N. Alexander Nolte

Nolte Lackenbach Siegel

Goods and services

What the mark covers

The products and services SA SINEWAVE AMPLIFICATION is filed for, grouped by Nice class.

History

What has happened so far

Steps recorded by the USPTO, newest first.

  1. Notice of registration confirmation emailed
  2. Registered-principal register
  3. Official gazette publication confirmation e-mailed
  4. Published for opposition
  5. Notification of notice of publication e-mailed
  6. Approved for pub - principal register
  7. Examiner's amendment entered
  8. Notification of examiners amendment e-mailed
  9. Examiners amendment e-mailed
  10. Examiners amendment -written

8 earlier steps on the official record.

FAQ

About SA SINEWAVE AMPLIFICATION

Who owns the trademark "SA SINEWAVE AMPLIFICATION"?

The USPTO trademark "SA SINEWAVE AMPLIFICATION" (application 99330817) is owned by Chad Mangrum.

What is the status of "SA SINEWAVE AMPLIFICATION"?

Its status at the USPTO is: registered.

When was "SA SINEWAVE AMPLIFICATION" registered?

It was registered on March 17, 2026.

API

Get this data via the API

Everything on this page comes from the Signa API. Pull SA SINEWAVE AMPLIFICATION and marks like it into your own product with one request.

  • GET/v1/trademarks/{id}

    The full record: owners, classes, dates and images

  • GET/v1/trademarks/{id}/events

    Every step in the office history

  • GET/v1/proceedings?trademark_id={id}

    Oppositions and cancellations against the mark

Get API keyView docs
GET /v1/trademarks/{id}
ID=tm_019d2b0d-0bef-7104-9478-d1584611e228
curl https://api.signa.so/v1/trademarks/$ID \
  -H "Authorization: Bearer $SIGNA_API_KEY"
Response
{
  "id": "tm_019d2b0d-0bef-7104-9478-d1584611e228",
  "object": "trademark",
  "mark_text": "SA SINEWAVE AMPLIFICATION",
  "status": {
    "primary": "active",
    "stage": "registered"
  },
  "office_code": "US",
  "application_number": "99330817",
  "filing_date": "2025-08-11",
  "nice_classes": [
    9
  ],
  "owners": [
    {
      "name": "Chad Mangrum",
      "entity_id": null
    }
  ]
}