E04H 6/302
The cars rolling freely from the transfer means
Official title: {the cars rolling freely from the transfer means}
E04H6/302 (The cars rolling freely from the transfer means) appears on 1 US grants and 1 published applications in this corpus.
Search patents in E04H- Granted patents
- 1
- Published applications
- 1
- Assignees
- 2
- Inventors
- 1
- Latest grant
- 22 Jan 2019
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| Year | Granted patents | Published applications |
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| 2018 | 0 | 1 |
| 2019 | 1 | 0 |
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