AT118176B
(en )
1930-06-25
Method and device for producing cyclic curves.
AT115928B
(en )
1930-01-25
Method and device for moving mechanical devices.
AT114614B
(en )
1929-10-25
Device for reproducing sounds.
AT121304B
(en )
1931-02-10
Device for the treatment of exposed format films.
AT100115B
(en )
1925-06-10
Method and device for generating positive ion currents.
AT111229B
(en )
1928-11-10
Method and device for the manufacture of rotors for electrical machines.
AT104691B
(en )
1926-11-10
Device for making eyelets on wires.
AT99223B
(en )
1925-02-10
Device for generating sentence elements such as decorative lines u. like
AT111668B
(en )
1928-12-10
Method and device for producing zigzag stitches using simple household sewing machines.
AT124298B
(en )
1931-08-25
Process and device for the refining of raw sugar.
AT89920B
(en )
1922-11-10
Method and device for the production of endless reinforced concrete pipes.
AT107294B
(en )
1927-09-26
Device for permeating liquids with gas.
AT124553B
(en )
1931-09-25
Steel die and method of making the same.
AT110286B
(en )
1928-07-25
Device for the production of metal bars, decorative strips and. Like. In limited and unlimited lengths.
AT115229B
(en )
1929-12-10
Process for making color photographs.
AT108435B
(en )
1927-12-27
Device for the extraction of oils, fats, waxy or similar components.
AT123672B
(en )
1931-07-10
Vertical card file.
AT110415B
(en )
1928-08-25
Method of making wool stumps.
AT113608B
(en )
1929-06-25
Process for the production of pre-workpieces for eye tools, in particular sapins.
AT133986B
(en )
1933-06-26
Process for making records.
AT98418B
(en )
1924-11-10
Process for the preparation of hydroquinone.
AT122013B
(en )
1931-03-25
Process for converting resites into novolaks.
AT149386B
(en )
1937-04-26
Device for the production of cigarette filter plugs.
AT154359B
(en )
1938-09-26
Method and apparatus for manufacturing electroplated rolled products, etc.
AT113536B
(en )
1929-06-10
Machine screen for paper manufacture and device for its manufacture.