H01J 2893/0017
Cylindrical, helical or annular grids
H01J2893/0017 (Cylindrical, helical or annular grids) appears on 2 US grants and 0 published applications in this corpus.
Search patents in H01J- Granted patents
- 2
- Published applications
- 0
- Assignees
- 2
- Inventors
- 3
- Latest grant
- 30 Nov 1976
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| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
By publication year. Applications have been published since 2001.
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