PEI

● Live · Registered

U.S. federal trademark · Serial No. 99426528 · Reg. No. 8398431

Mark

PEI

Status

Registered

Serial Number

99426528

Registration No.

8398431

Filing Date

October 3, 2025

Registration Date

August 18, 2026

Class(es)

Class 009

Owners

03 · Wheeling, IL, US

03 · Wheeling, IL, US

03 · Wheeling, IL, US

High performance liquid chromatography (HPLC) column for laboratory use for analysis of positively charged polymers

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Source: USPTO federal trademark records. Informational only, not legal advice. Status and details may lag the live USPTO database.