Not mine, but is a seller I know. I have a couple 14's so I don't need this one. Fairly hard to find 14" inch ones though. I know a few of you are after these style wrenches.

http://www.ebay.com/itm/131053772972?ssPageName=STRK:MEWAX:IT&_trksid=p3984.m1438.l2649

I have bid at the bottom, anyone want it more, I am not going up.

I'm waiting to weasel the one out of my buddy, its in great shape.

The "circle T" brand is the one where the adjusting nut has trunnion ends, and can drop out of the frame if the jaw is slid out -- as noted on pg. 21 of the Sept. 2013 MVWC newsletter.
We have not found a patent (yet).