GleanMark

KOSS CORPORATION Trademark Portfolio

KOSS CORPORATION owns 20 live USPTO trademarks across 3 Nice classes. Earliest filing: 1971-06-07; most recent: 2025-09-10.

Portfolio Overview

Total Marks86
Live Marks20
Registered14
Pending6
Earliest Filing1971-06-07
Latest Filing2025-09-10

Top Classes

Class 009 (Electronics & Software), Class 010 (Medical Devices), Class 021 (Housewares)

Top Marks

Related