This page has some nice photo's of the Deutsche Werke version.
http://www.gunsworld.com/gun_pistols/ortgies_us.html
There were also a couple of diagrams at these sites as well...
http://tinyurl.com/2uwt2
http://tinyurl.com/2qee7
http://tinyurl.com/2vtwy
Kinda neat little fella, what were the significant details that Heinrich patented?
Regards,
Fritz.