DK22280C
(en )
1917-07-16
Procedure for Manufacturing Leather Using Iron Salts.
DK22739C
(en )
1917-12-31
Procedure for tanning leather using iron salts.
DK22281C
(en )
1917-07-16
Procedure for the manufacture of leather by tanning with iron salts.
DK22268C
(en )
1917-07-16
Procedure for drying patent leather.
DK23204C
(en )
1918-07-01
Machine for Making Hulsten.
DK22431C
(en )
1917-09-10
Machine for bending the edges of pieces of leather.
DK17999C
(en )
1913-10-27
Procedure for Finishing the Edge of Leather Pieces.
DK24144C
(en )
1919-03-03
Procedure for the manufacture of a detergent.
DK21446C
(en )
1916-08-28
Clothing for Køkkenvadske.
DK27683C
(en )
1921-05-23
Machine for the manufacture of boat spikes.
DK17702C
(en )
1913-08-25
Procedure for Making Match Set.
DK21769C
(en )
1916-12-27
Procedure for Manufacturing Imitation Cedar.
DK20450C
(en )
1915-08-16
Procedure for Pinning Footwear.
DK29368C
(en )
1922-02-20
Procedure for the production of photographic reliefs.
DK24357C
(en )
1919-04-07
Procedure for Manufacturing Matrices.
DK22642C
(en )
1917-12-03
Procedure for Treating Phosphates.
DK25179C
(en )
1919-11-03
Procedure for the manufacture of a substitute for tannins.
DK25147C
(en )
1919-10-20
Procedure for the manufacture of a substitute for tannins.
DK25148C
(en )
1919-10-20
Procedure for the manufacture of a substitute for tannins.
DK27668C
(en )
1921-05-23
Procedure for Manufacturing Iron Leather.
DK22676C
(en )
1917-12-17
Procedure for the manufacture of hydrocarbon compounds.
DK30973C
(en )
1922-12-18
Machine for Hælpaaslaaning.
DK20900C
(en )
1916-01-10
Machine for Manufacturing Insulators.
DK20528C
(en )
1915-09-06
Procedure for Manufacturing Artificial Leather.
DK17147C
(en )
1913-03-31
Procedure for Iron Tanning.