Wow, that's actually a genuine patent! Not a very good idea, though!
Full copy of the patent, with description, here:
https://patentimages.storage.googleapis ... 269766.pdf
Wow, that's actually a genuine patent! Not a very good idea, though!
5D Tactical is good. Equipment - no recommendation. I have a Bridgeport (clone) vertical mill, so didn't need to buy jigs.