I don't believe it ever went to production, the patent date is May 2000, but there are lots of good ideas here. I can quickly see where it would benefit from a better xy table and I am sure there are many improvements and additions that can be made to the basic idea.
I found this interesting the minute I saw it, and am uploading the 32 page file here in the hope others may find this interesting as well and maybe even improve on the concept.
To download the file click Miniature All-Purpose Tool. 567 KB - pdf