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Hetrick; Joel A.
Ann Arbor, MI
No. of patents:

Patent Number Title Of Patent Date Issued
7779728 Orienting arrangement for mirror or light source August 24, 2010
An arrangement for orienting a device angularly is provided with a back element on which the device to be oriented is installed. A ball and a spherical gear are arranged concentrically. A base portion has a socket that engages with the ball. Also, a motor having a rotatory shaft is i
7384016 Adaptive compliant wing and rotor system June 10, 2008
Variation in the contours of first and second compliant surfaces is produced by a compliant frame having a first resiliently variable frame element (120) having a corresponding first outer surface (122) and a first inner surface (124), and a second resiliently variable frame element
6594994 Micromechanical actuation apparatus July 22, 2003
Micromechanical actuation apparatus includes a substrate with an actuator mounted on the substrate and a micro-transmission mounted on the substrate coupled to the electrothermal actuator. The actuator, such as an electrothermal actuator, is responsive to electrical power to drive two

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