E01B 3/12
Longitudinal sleepers
Official title: Longitudinal sleepers; Longitudinal sleepers integral or combined with tie-rods; Combined longitudinal and transverse sleepers
E01B3/12 (Longitudinal sleepers) appears on 1 US grants and 1 published applications in this corpus.
Search patents in E01B- Granted patents
- 1
- Published applications
- 1
- Assignees
- 0
- Inventors
- 1
- Latest grant
- 4 Jul 2017
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| 2016 | 0 | 1 |
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