Not so, Ian made his own designs for some years and went into bankruptsy last year; last I heard from a mutual friend, he is working on re-financing and getting back to production....hope he does!
Rimrocks came from Jim Borden and I have several from him, bought in blank form. I also hope that RR stocks become available again and they are just like the Borden ones.
Ian is doing smith work and custom builds, but I don't think he is going to be making stocks. There is a new owner taking over Robertsons, I believe.
