The broken lines in the drawings represent unclaimed environmental subject matter and form no part of the claim.
The broken lines in the drawings represent unclaimed environmental subject matter and form no part of the claim.
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Entry |
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Bill Carey, “Bell Unveils ‘Vigilant’ Unmanned Tiltrotor for U.S. Marine Corps;” Sep. 22, 2016. |
Richard Whittle, “Month After Us, Bell Unveils V-247 Vigilant Tiltrotor Drone,” Sep. 22, 2016. |