CH76112A
(en )
1917-11-01
Method for the simultaneous recording and playback of motion and sound
CH78729A
(en )
1918-09-02
Device for the phonographic recording and reproduction of conversations transmitted by telephone
CH82460A
(en )
1919-10-16
Device for recording and playing back sounds
CH65491A
(en )
1914-06-16
Process for the production of hollow stones closed on all sides
CH73011A
(en )
1916-12-16
Method for reducing the noise of gear drives
CH49934A
(en )
1911-04-17
Method for recording and reproducing living, sound photographs for the purpose of synchronizing the cinematograph and the speaking machine
CH76294A
(en )
1917-11-16
Briquette and method of making the same
CH76063A
(en )
1917-11-01
Method and device for the production of peat and other briquettes
CH77220A
(en )
1918-03-16
Method of making briquettes
CH60924A
(en )
1913-08-16
Method of making fireplace hats
CH71079A
(en )
1915-12-01
Talking machine pen and method of making the same
CH55452A
(en )
1912-08-16
Method of making bells
AT52292B
(en )
1912-02-26
Process for the revitalization of carbonaceous and similar decolorizing agents.
AT68058B
(en )
1915-02-25
Process for the production of sintered magnesite and sintered dolomite.
CH64169A
(en )
1914-03-16
Fish tape and method of making the same
CH63810A
(en )
1914-06-16
Process for the waterproof impregnation of soft felt hats
FR449696A
(en )
1913-03-05
Further training in centrifuges
CH48244A
(en )
1910-10-01
Procedure for recording and reproducing so-called living, sounding photographs to control the synchronous movement of the cinematograph and the speaking machine
FR449309A
(en )
1913-02-24
Further training in phonograph pavilions
CH55670A
(en )
1912-09-02
Method for the representation of pinacon
CH54686A
(en )
1912-06-01
Method for the representation of pinacon
CH56841A
(en )
1912-11-16
Method for the representation of pinacon
CH65024A
(en )
1914-05-16
Process for the destruction of microorganisms
FR451653A
(en )
1913-04-24
Chanterelle to learn to read to the sound of radiotelegrams
CH59001A
(en )
1913-04-16
Method and device for the production of artificial railways