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2021
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Invention
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Automatic marking tool having multi-section refill. Provided in the present invention is an autom... |
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2019
|
Invention
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Disk wheel supporting movement means. A disk wheel supporting a movement means is a disk-shaped w... |
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Invention
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Multi-purpose helicopter having dual compartment structure, electronic omni-directional rotor ass... |
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2018
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Invention
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Automatic refill-propelling off-axis pen. Disclosed is an automatic refill-propelling off-axis pe... |
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2014
|
Invention
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Stacked display container and display rack for products. Disclosed are a stacked display containe... |
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Invention
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Easy-to-hold off-axis pen. An easy-to-hold off-axis pen comprises a pen head (10), a pen barrel (... |
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Invention
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Pen holding structure. A pen holding structure, comprises a main body (10), a limit lug (20), at ... |
