KAUFMANN Michael.
Engineer.
Liège (1878-1887).
Wellington Street Strand Londres GB (01/1884).
Rue de la Joie, 2 Liège (10/1884).
Bruxelles (1889).
Deposit Belgium patent.
N° 046368 - 15/10/1878 Improvements brought to the system of revolver Jean Warnant, etc.
N° 051258 - 24/04/1880 Amendments made to platinums of gun-revolvers (main patent n° 046368 of the 15/10/1878).
N° 052206 - 04/08/1880 Amendments made to platinums of revolvers (main patent n° 046368 of the 15/10/1878).
N° 055511 - 20/08/1881 Amendments made to the revolvers (main patent n° 046368 of the 15/10/1878).
N° 064005 - 31/01/1884 System of revolver.
N° 066474 - 01/10/1884 Firearms.
N° 079640 - 22/11/1887 Closing of rifles, pistols and revolvers with rocker.
N° 086285 - 18/05/1889 Closing of rifles, pistols and revolvers with rocker (main patent n° 79640 of the 22/11/1887).