Exro Refutes Unsubstantiated Claims of Patent Infringement, Files Petition for Review of ePropelled Patent

In response to claims made by ePropelled, Exro has filed a petition with the U.S. Patent and Trademark Office for review of ePropelled's patent. Exro asserts that the patent which ePropelled claims it has infringed is invalid. Exro also submitted an i