Just to save you the trouble, I checked my copy of the book, "Custom Firearms Engraving" by Tom Turpin (1999).

He lists about 80 of the top American engravers, and Orville Kuhl doesn't seem to be listed.

Sorry I can't offer any more than that. Good luck.

Nifty-250

"If you don't know where you're going, you may wind up somewhere else".
Yogi Berra