Here's some for Roog:
http://www.philipkdickfans.com/pkdweb/roog.htm
http://www.lionking.org/~lynxcat/drawings/roog.jpg
Some for Rugar (Woot, Family Members...couldn't find my GrandFather's, but that's probably a good thing...):
http://www.riovistaproducts.com/dog/groom/groom.html
http://www.hartfordhawks.com/.../spec-rel/rugar.html
http://www.vermonticestorm.com/s_rugar.html