H01B 11/143
Using helically wound magnetic tape
Official title: {using helically wound magnetic tape}
H01B11/143 (Using helically wound magnetic tape) appears on 2 US grants and 0 published applications in this corpus.
Search patents in H01B- Granted patents
- 2
- Published applications
- 0
- Assignees
- 1
- Inventors
- 3
- Latest grant
- 28 Apr 1992
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| Year | Granted patents | Published applications |
|---|---|---|
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
By publication year. Applications have been published since 2001.
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