B41B 23/04
Auxiliary devices for modifying, mixing or correcting text or layout in connection
Official title: for facilitating hand correction of texts
B41B23/04 (Auxiliary devices for modifying, mixing or correcting text or layout in connection) appears on 1 US grants and 0 published applications in this corpus.
Search patents in B41B- Granted patents
- 1
- Published applications
- 0
- Assignees
- 1
- Inventors
- 2
- Latest grant
- 24 Jan 1978
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| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 1 | 0 |
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