1962
Interton is founded in 1962 by Hans-Herbert Türk and Hellmuth J. Türk in Cologne, Germany.
1985
The second generation of the Türk family joins the company.
1992
Interton releases its first programmable hearing aid.
2001
Interton takes over the American company Authorised Hearing Systems, including a contract to supply hearing aids to Veteran Affairs.
2005
The GN ReSound Group buys Interton.
2008
Interton introduces SLIM – only 5 mm wide and the slimmest Receiver-in-the-Ear hearing aid ever made at that time.
2008
Interton introduces RELAY – the first digital wireless hearing aid for CROS and BiCROS.
2008
Interton introduces the Avio series. Three full families launched at the same time.
2009
Interton launches a new corporate visual identity, with a new tagline: “Essential Hearing”.