Legal & Patents


© 2018 Westhill Innovation, LLC, d/b/a Exo (Exo). All rights reserved. All trademarks and trade names are those of their respective owners. 

Kindle® is a registered trademark of, Inc. in the United States and/or other countries.

Apple®, AirPods®, Lightning®, Mac®, Made for iPhone Logo®, Made for iPad Logo®, Made for iPod Logo®, iPad®, iPad Pro ®, iPod®, and all related logos are registered trademarks of Apple Inc. in the United States and/or other countries.

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Motorola® and Motorola One® are registered trademarks of Motorola Trademark Holdings, LLC in the United States and/or other countries.

Nokia® is a registered trademark and service mark of Nokia, Inc. 

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Exo believes the information contained herein was accurate when given, but we assume no risk as to its quality or use. All information is provided on an as-is basis, without warranties of any kind, whether express, implied, statutory, or arising from course of dealing, usage, or trade practice, including, without limitation, as to merchantability, fitness for a particular purpose, or non-infringement. Exo shall not be liable for any direct, indirect, special, consequential, incidental, or other damages whatsoever, arising from the use of or reliance on the information contained herein, even if advised of the possibility of such damages. Exo reserves the right, without notice, to discontinue products or to make changes to the design or specifications of its products or other information contained herein, including without limitation, all pricing information. All content is protected by U.S. copyright laws. No portion of this material may be reproduced in any form, or by any means, without prior written permission from Exo, and recipients of this material may not modify, distribute, publish, transmit or create derivative works of any of this material for any public or commercial purposes. 



Westhill Innovation, LLC (“Westhill”) is an innovator and leading provider of quick-charge, re-usable battery packs and charging products compatible with any modern electronic device. Westhill’s technology can be found throughout its products. This page provides notice pursuant to 35 U.S.C. § 287(a) of the U.S. patent laws. Westhill has been granted or has pending the following patents and patent applications in connection with the Exo Smart Spark:

U.S. Utility Patent No.: 10,141,758

U.S. Design Patent No.: D 813,803

U.S. Design Patent No.: D 805,030

Please contact us with any questions regarding the patents or patent applications above.