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Copyright
2017 by Frederick Davison
©
Acknowledgments
The following people inspired and/or contributed to the QuadStick Project:
Ken Yankelevitz, owner of Quad Control, for making mouth operated joysticks, and other control
devices, for quadriplegics for three decades and who's counseling, advice and experience have
guided many aspects of the QuadStick development.
Matt Victor, a C1 quadriplegic, who's testing, feedback and advice have resulted in many
improvements in the QuadStick.
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