note my comment in bold below ================================ here's what i find interesting .. first .. it was filed second .. the date of the extension reminder .. i'd noted earlier this year that if RH filed the the 10K (or the NT which is an indication of intent) .. that there was a reason for it.. as i've noted consistently P2O has numerous options .. and imo the Canadian patent issued in December 2018 is part of just one option https://investorshub.advfn.com/boards/read_msg.aspx?message_id=150248508 4kids