You sound like a good guy and so does he.

To simply argue the point however(because I'm bored):  The lawsuit would fail because you approached the window and made contact with the dog and that was not required by your job.  If it was required by your job to reach into that window, you'd be suing your employer, not the guy anyway.  Defense lawyer says "The dog was doing his job of protecting the change in the ashtray from your sticky fingers".   HA ha.  Ok, too much fun.  Back to serious---

Hope you heal up good.  Chicks dig scars, so it's a double-edged twinkie.

I pronounce you....."FANG".  And I owe you a steak and a beer anytime I see ya.