Hello ellenbr,

Thanks for the reply.

I found this information on the GemanHuntingGuns.com web site in reference to maker "Miller & Val.Greiss".

http://www.germanhuntingguns.com/archives/miller-val-greiss-of-munich/

" ... Contrary to what has been written in other sources no Patents (DRP) could be found for either Johann Miller or Valentin Griess ..."