The file of this patent contains a least one drawing executed in color. Copies of this patent with color drawings will be provided by the United States Patent and Trademark Office upon request and payment of the necessary fee.
The file of this patent contains a least one drawing executed in color. Copies of this patent with color drawings will be provided by the United States Patent and Trademark Office upon request and payment of the necessary fee.
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Entry |
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Apex M23K by Quadcopter 101. dated Jun. 14, 2018. found online [Apr. 29, 2019] https://www.youtube.com/watch?v=Yaihl3XwcQg. |