Youngdo Ind. Co., Ltd.
Records under this name other than the patents Youngdo Ind. Co., Ltd. holds now: patents now held by others, patents whose terms have ended, and its applications, pending or abandoned. None of them is counted in the 4 patents it holds.
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| Patent | Title | Status | Expires | Confidence |
|---|---|---|---|---|
| US 7,686,036 | Valve apparatus for movable oxygen cylinder Lapsed on the fee record Ended Mar 30, 2022 · From the USPTO record | Lapsed on the fee record | Ended Mar 30, 2022 | From the USPTO record |