E21D 11/07
Using brick- laying machines
Official title: using brick- laying machines {(brick-laying machines per se E04G21/22)}
E21D11/07 (Using brick- laying machines) appears on 1 US grants and 0 published applications in this corpus.
Search patents in E21D- Granted patents
- 1
- Published applications
- 0
- Assignees
- 0
- Inventors
- 1
- Latest grant
- 14 Dec 1982
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| Year | Granted patents | Published applications |
|---|---|---|
| 1982 | 1 | 0 |
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