| 1899 |
Formation of company Neufeld & Kuhnke,
|
Table device (around 1924) |
| 1922 |
Development of a broadcast receivers with integrated loudspeaker
|
|
| 1935 | Nordmark radio with dial plate |
Goniometer-Peil-RX |
| 1936 | Change of name in Hanseatische Apparatebau Gesellschaft Neufeld und Kuhnke = hagenuk |