Honestly, you don't. You just need to focus on building something that people want and making sure that the experience you deliver is better than any other.
Further, if you start to think about your hardware as a means of delivering something else (for us, that's food), then getting copycatted on the hardware won't be as hard to deal with from a business standpoint.
Further, if you start to think about your hardware as a means of delivering something else (for us, that's food), then getting copycatted on the hardware won't be as hard to deal with from a business standpoint.