DK25194C
(en )
1919-11-10
Procedure for the production of lighting and water gas.
DK22571C
(en )
1917-11-05
Procedure for the production of dyes.
FR486493A
(en )
1918-04-09
Candle savings
DK27006C
(en )
1920-12-13
Procedure for the manufacture of gas and gas generator suitable therefor.
DK20189C
(en )
1915-05-17
Procedure for the Exchange of Wires for Lighting Gas.
DK22728C
(en )
1917-12-31
Procedure for the manufacture of porcelain objects.
DK24372C
(en )
1919-04-14
Device for the Production of Imitation Fire.
DK24734C
(en )
1919-07-14
Gas burner.
DK22299C
(en )
1917-07-23
Procedure for the manufacture of fuel briquettes.
DK25961C
(en )
1920-05-17
Lighting fixture for interior and exterior Lighting.
DK26140C
(en )
1920-06-21
Procedure for the manufacture of artificial abrasives.
DK27962C
(en )
1921-07-11
Procedure for the Preparation of Alkalicyanates.
DK24091C
(en )
1919-02-17
Procedure for the manufacture of barrels and barrels.
ES68313A1
(en )
1918-12-16
Procedure for the production of gas from lighting and gas from water.
FR490507A
(en )
1919-04-26
Non-fouling candle
DK22546C
(en )
1917-10-29
Procedure for the production of chemically pure hydrochloric acid.
DK27406C
(en )
1921-04-11
Procedure for the Production of Glycerin from Sugar.
DK27623C
(en )
1921-05-17
Procedure for Connecting Pipes.
DK21892C
(en )
1917-02-12
Undivided head shape and head ring for the manufacture of glassware.
DK22097C
(en )
1917-04-30
Procedure for Increasing the Fertilizer Value of the Gas Water Produced by Gas and Coke Production.
DK29207C
(en )
1922-01-23
Gas Production Furnace.
ES64717A3
(en )
1917-07-16
The manufacture of asbestos threads.
ES64275A1
(en )
1917-05-01
Procedure for the manufacture of artificial slates.
CH75198A
(en )
1917-06-16
Gas mask
DK28821C
(en )
1921-11-21
Composite Glass Dome for Lighting Purposes.