The picture that Cory included when he shared this really caught my eye. According to the web site, these truly are custom engraved, being made when you order them. The matted and framed version pictured on the site is even more fetching.
The only question, then, is out of the patents available through Google’s database, which one would I get? The FAQ has some helpful advice though I couldn’t find pricing information anywhere on the site and these engravings seem pretty affordable, starting at $65 US. If you are an inventor or have a technology fetish, this may be that perfect one of a kind gift idea.