Negative voltage backflow direct current supply system for rail transport
US-10744880-B2 · Aug 18, 2020 · US
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Patent family 54297996
This patent family groups 2 related publications across US. Members often share priority claims or equivalent filings in different countries.
| Field | Value |
|---|---|
| Family ID | 54297996 |
| Family type | — |
| Earliest priority | Jul 22, 2015 |
| First filing country | US |
| Member publications | 2 |
| Countries | US |
| Representative publication | US10744880B2 — Negative voltage backflow direct current supply system for rail transport |
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US10744880B2 — Negative voltage backflow direct current supply system for rail transport (published Aug 18, 2020)
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