We have a Kid Kraft wooden 'grow with me' chair, which I love. No sitting on knees, holds Kiddo high enough up to the table so that he can eat with a napkin in his lap. I love this thing. He's five and we're only just moving the seat down a notch.
That said, I did a search online and couldn't find it.
A quick story: for a shower gift, our friends bought us one of this style of chair through One Step Ahead: what we got was cherry-stained crappy plywood. Terrible quality and finish. We found the Kid Kraft one at a yard sale for $10 and snatched it up. No complaints.
Stokke has a similar one, the Tripp Trapp High Chair. It's made with beechwood and is solid. It's expensive, but consider it an investment.