Trademark owner
Published USPTO records that list keller operating system inc as an owner. Open a serial to compare classes, cited marks, and prosecution history.
Showing 1–2 of 2
| Serial | Mark |
|---|---|
| 75642830 | S.O.S. SCHEDULING OFFICIAL SOFTWARE KELLER OPERATING SYSTEM INC. DISK 1, VERSION 1.0 |
| 75642829 | KELLER OS OPERATING SYSTEM |