| 78321390 | SUPERIOR | Productive Environments, Inc. | — |
| 78295843 | FIREWIRE | Productive Environments, Inc. | — |
| 78295837 | FIREWIRE | Productive Environments, Inc. | — |
| 76492440 | BINDER KEEPER | Productive Environments Inc. | — |
| 76212925 | O-ZONE | Productive Environments Inc. | — |
| 74575992 | PENTA | Productive Environments, Inc. | — |
| 74575970 | PENTA CONSIDER COMMUNICATE CREATE CATEGORIZE CAPTURE | Productive Environments, Inc. | — |
| 74544395 | FINDERBINDER | Productive Environments, Inc. | — |
| 74506196 | ACTION NOTE | Productive Environments, Inc. | 1934780 |
| 74245306 | HYPERGAMI | Productive Environments, Inc. | 1775166 |
| 74245305 | WINDOW PAGE | Productive Environments, Inc. | 1776471 |
| 74245304 | EVENT MANAGEMENT IN TIME | Productive Environments, Inc. | 1768610 |
| 74243508 | NOTEWELL | Productive Environments, Inc. | 1777823 |
| 74243507 | BOOK WINDOW | Productive Environments, Inc. | 1772950 |
| 73809039 | HYPERLIST | PRODUCTIVE ENVIRONMENTS, INC. | 1618706 |
| 73808976 | HYPERLOOK | PRODUCTIVE ENVIRONMENTS, INC. | 1619805 |
| 73808960 | HYPERTIME | PRODUCTIVE ENVIRONMENTS, INC. | 1619804 |
| 73808946 | HYPERFOLD | PRODUCTIVE ENVIRONMENTS, INC. | 1618705 |
| 73808867 | HYPERFLOW | PRODUCTIVE ENVIRONMENTS, INC. | 1615661 |
| 73808866 | HYPERFORM | PRODUCTIVE ENVIRONMENTS, INC. | 1618704 |
| 73808865 | HYPERNOTE | PRODUCTIVE ENVIRONMENTS, INC. | 1618703 |
| 73808864 | HYPERPAGE | PRODUCTIVE ENVIRONMENTS, INC. | 1618702 |
| 73808863 | HYPERFRAME | PRODUCTIVE ENVIRONMENTS, INC. | 1615660 |
| 73808862 | HYPERBOARD | PRODUCTIVE ENVIRONMENTS, INC. | 1615659 |
| 73808861 | MECHANICAL HYPERTEXT | PRODUCTIVE ENVIRONMENTS, INC. | 1609045 |
| 73808860 | HYPERBINDING | PRODUCTIVE ENVIRONMENTS, INC. | 1622444 |