| Subject | English | German |
| patents. | cassettes, compact discs, video tapes, video compact discs laser discs, interactive compact discs CD-Is, Read-Only-Memory discs CD-ROMs | Kassetten, CDs, Videobänder, Video-CDs Laserplatten, interaktive CDs CD-I, CD-ROMs |
| patents. | Read-Only-Memory discs CD-ROMs | CD-ROMs |