404. That’s an error.

The requested URL /email_link?c=email_ipad&redirect_url=http%3A%2F%2Fwww.patentlyapple.com%2Fpatently-apple%2F2013%2F01%2Fapple-granted-a-patent-for-an-intriguing-smart-bike-system.html was not found on this server. That’s all we know.