| 76334252 | PROTOMETERS | Interplex Electronics, Inc. | 2836923 |
| 75029041 | FUN 2 LEARN | Interplex Electronics, Inc. | 2092568 |
| 74458684 | FUN 2 LEARN E&L THE EDUCATION AND LEARNING COMPANY | INTERPLEX ELECTRONICS, INC. | — |
| 74130609 | PROTO-METER | INTERPLEX ELECTRONICS, INC. | 1664878 |
| 74120366 | PROTOWARE | INTERPLEX ELECTRONICS, INC. | 1778714 |
| 74020161 | PROTOKEY | INTERPLEX ELECTRONICS, INC. | 1628997 |
| 74010219 | WORKBOX | INTERPLEX ELECTRONICS, INC. | 1646667 |
| 73811949 | PROTO-CARD | INTERPLEX ELECTRONICS, INC. | 1608088 |
| 73808280 | MAT | INTERPLEX ELECTRONICS, INC. | 1625692 |
| 73808277 | BOA | INTERPLEX ELECTRONICS, INC. | 1604422 |
| 73704884 | C.A.D.E.T. | INTERPLEX ELECTRONICS, INC. | — |
| 73698908 | CHEMPAC | INTERPLEX ELECTRONICS, INC. | 1502023 |
| 73698907 | CHEMPAC | INTERPLEX ELECTRONICS, INC. | 1502022 |
| 73545921 | SHORTSQUEEK | INTERPLEX ELECTRONICS, INC. | 1381157 |
| 73494322 | GLOBAL DATA | INTERPLEX ELECTRONICS, INC. | — |
| 73204114 | PROTO-CLIP | INTERPLEX ELECTRONICS, INC. | 1136646 |
| 73089327 | MINI-MICRO DESIGNER | INTERPLEX ELECTRONICS, INC. | 1115967 |