He became known for patenting a method of offset text printing .
The company was named Dreyers Grafiske Anstalt from 1937 to 1950 , then Dreyer AS from 1950 to 1982 .
Dreyer became known for patenting a method of offset text printing .
The company was named Dreyers Grafiske Anstalt from 1937 to 1950 , then Dreyer AS from 1950 to 1982 .