Also DRP 70343 where Sauer sought protection for their expensive method for assembling tubes, Verbindung von Jagdgewehrläufen mit dem Verschlufshaken, issued August 12th, 1893 had a novel addition by Sauer under Gebrauchsmuster / D.R.G.M. 85520 from 8.29.1895.

Kind Regards,

Raimey
rse