| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 6 | |
| #2 | Germany | 3 | |
| #3 | France | 3 | |
| #4 | Austria | 2 | |
| #5 | United Kingdom | 2 | |
| #6 | Switzerland | 1 | |
| #7 | Ireland | 1 | |
| #8 | Italy | 1 |
| # | Industry | |
|---|---|---|
| #1 | Audio-visual technology | |
| #2 | Optics | |
| #3 | Machines |
| # | Technology | |
|---|---|---|
| #1 | Special information storage | |
| #2 | Electrography | |
| #3 | Unspecified technologies | |
| #4 | Unspecified technologies |
| # | Name | Total Patents |
|---|---|---|
| #1 | Abitboul Georges D | 3 |
| #2 | Unfried Happy H | 3 |
| #3 | P Koeppe Edward | 1 |
| #4 | Abitboul G | 1 |
| #5 | Desire Arbitboul Georges | 1 |
| #6 | Koeppe Edward P | 1 |
| #7 | Katzef Irving B | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US4053121A | Tape guiding and tension controlling cassette assembly | |
| US3817785A | Vibration compaction processing of magnetic tape | |
| GB1275872A | Vibration processing of magnetic tape | |
| US3556434A | Cassette liner | |
| US3556433A | Cassette tape-winding control | |
| US3676216A | Vibration processing of magnetic tape | |
| US3423038A | Cassette tape winding indicator means |