The NC110 and NC150 Nurse Call Systems were released—the NC110 is still in production today and, in some markets, is still one of TekTone’s best sellers.

First UL1069 Listed Nurse Call System Designed. The NC150 was first introduced as SM300 in 1977. It became the NC150 in 1978.  

The Tek-Entry Apartment Entry System was introduced. This was the foundation for TekTone’s first generation of communication systems.  

TekTone founded in Lake Park, FL.

Mirtone sold in 1969 and went public.