Just doing some reading on the SIG P210.
I wanted to see what short-recoil action it was using, and I dug up this video:
Look at that! Remember this photo?
I noted in the review of my PM45 that that kidney-shaped recoil cam was first seen in the CZ-75, I guess I was wrong, as it appears that SIG was likely the first on this action.
Stuff like that is interesting to me!
The twin locking device curves (Verriegelungskurven) of the SIG P210 were protected under Swiss Patent No. 270873.
http://larvatus.livejournal.com/182532.html