| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Italy | 3 | |
| #2 | United States | 3 | |
| #3 | Brazil | 2 | |
| #4 | EPO (European Patent Office) | 2 | |
| #5 | Portugal | 2 | |
| #6 | Canada | 1 | |
| #7 | China | 1 | |
| #8 | Mexico | 1 | |
| #9 | Yugoslavia (Serbia and Montenegro) | 1 |
| # | Industry | |
|---|---|---|
| #1 | Audio-visual technology | |
| #2 | Machines |
| # | Technology | |
|---|---|---|
| #1 | Special information storage | |
| #2 | Unspecified technologies |
| # | Name | Total Patents |
|---|---|---|
| #1 | Bordignon Abramo | 14 |
| #2 | Abramo Bordignon | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US4920439A | Guide element structure engageable in sliding contact with a magnetic support | |
| US4922361A | Pressure pad, particularly for magnetic tapes | |
| US4328936A | Magnetic tape cassette gasket |