5,839,108 MicroOS(TM) file management system in a hand held record and playback device.

5,842,170 cover the company's methods for editing files in a hand held recorder.

Someone correct me if I am wrong, but my understanding is these are good for 25 years.

Jan 31, 2024.

So, when we strike a royalty deal for these....enough said.

Added 3/3/10: "the encryption patent pending is nearly in year 3 of an approximate 3 year process by the USPTO." Per RP 9/17/09 during my personal visit.

There is life beyond what expires between 2014 & 2016.