AT48966B
(en )
1911-07-10
Mechanical playing device on accordions and other musical instruments.
AT75775B
(en )
1919-03-10
Device for adjusting the music band of pneumatic musical mechanisms.
AT57223B
(en )
1913-01-10
Wind instrument.
AT49058B
(en )
1911-07-25
Geodetic measuring instrument.
AT55707B
(en )
1912-10-10
Device for reducing annoying noises in sound-producing, amplifying and discharging metal parts on musical instruments, gramophones and the like.
AT45397B
(en )
1910-12-10
Valve wind instrument.
AT49882B
(en )
1911-09-11
Reading teaching aids.
AT48302B
(en )
1911-06-10
Means for the musical construction of ornamental structures.
AT49388B
(en )
1911-08-10
Perinet machine for wind instruments.
AT50091B
(en )
1911-10-10
Device for generating a constant tone in alarm clocks.
AT57545B
(en )
1918-02-10
Signal lamp.
AT59379B
(en )
1913-05-26
Device for amplifying sound in membranes.
AT77701B
(en )
1919-08-11
Carburetor.
AT23511B
(en )
1906-03-26
Keyboard instrument for teaching purposes.
AT52508B
(en )
1912-03-11
Copy pad.
AT63875B
(en )
1914-03-10
Arrangement of harmonies and the like to generate different tone strengths of the registers.
AT33768B
(en )
1908-07-25
Sheet music for mechanical musical works.
AT57374B
(en )
1913-01-25
Speed indicator.
AT76047B
(en )
1919-04-10
Device for the acceptance of goods on mechanical looms while the chair is moving.
AT49100B
(en )
1911-07-25
Control device for mechanical cash dispensing and depositing devices.
AT45777B
(en )
1911-01-10
Air humidifier.
AT49413B
(en )
1911-08-10
Head electrifier.
AT68736B
(en )
1915-05-25
String tensioning device for musical instruments.
AT48301B
(en )
1911-06-10
Evaporation device for petroleum and similar hydrocarbons.
AT25867B
(en )
1906-09-25
Odometer and speedometer.