| 99644051 | SYSTEM 4+ | Rytec Corporation | — |
| 85770307 | SYSTEM 4 | Rytec Corporation | 4398979 |
| 79170305 | SYSTEM 4 | Tennis Academy System 4 Restaurant et Shop Sàrl | 4990859 |
| 79105447 | SYSTEM 4 | Streng-Plastic AG | — |
| 74564657 | SYSTEM 4 | NUANCE DOCUMENT IMAGING, INC. | 1998675 |
| 78720517 | SYSTEM 4 | Herm. Sprenger GmbH & Co. KG | 3345527 |
| 73387219 | SYSTEM-4 | Interactive Market Systems, Inc. | 1271654 |
| 76365622 | SYSTEM 4 | Great Lakes Tool Mfg., Inc. | 2829100 |
| 75908362 | SYSTEM 4 | Coleman Company, Inc. The | 2514192 |
| 75836148 | SYSTEM 4 | BOSCH SICHERHEITSSYSTEME GMBH | 2383336 |
| 75504851 | SYSTEM 4 | Emhart Inc. | — |
| 74735917 | SYSTEM 4 | GLOBAL INFORMATION LICENSING CORPORATION | 2068552 |
| 74661308 | SYSTEM-4 | JOMAR INTERNATIONAL, LTD. | 1956532 |
| 74520888 | SYSTEM 4 | Herman Miller, Inc. | — |
| 74374352 | SYSTEM 4 | Creative Marketing of New York, Ltd. | — |
| 74081460 | SYSTEM 4 | HEIN-WERNER CORPORATION | 1658812 |
| 74079275 | SYSTEM 4 | Brocato International, Inc. | — |
| 73622010 | SYSTEM 4 | NATURAL ORGANICS CORPORATION | 1448104 |
| 73584487 | SYSTEM 4 | SAMSONITE CORPORATION | 1410525 |
| 73526512 | SYSTEM 4 | FOUR SEASONS SOLAR PRODUCTS CORP. | 1379179 |
| 73321202 | SYSTEM 4 | Briggs & Stratton Corporation | 1204299 |
| 73235307 | SYSTEM 4 | McGraw-Edison Company | 1153066 |
| 73176563 | SYSTEM 4 | Equipment Systems & Devices, Inc. | 1165290 |
| 73102074 | SYSTEM 4 | Pellerin Minor Corporation | 1071308 |
