H03F 1/544
Protection of filaments
Official title: {Protection of filaments}
H03F1/544 (Protection of filaments) appears on 1 US grants and 0 published applications in this corpus.
Search patents in H03F- Granted patents
- 1
- Published applications
- 0
- Assignees
- 1
- Inventors
- 1
- Latest grant
- 11 Sep 1984
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1984 | 1 | 0 |
By publication year. Applications have been published since 2001.
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