Magnus Bjorndal


Magnus Bjorndal was a Norwegian American engineer and inventor. Magnus Bjorndal was the founder and president of Tech Laboratories, Inc.

Biography

Magnus Bjorndal was from Ulstein Municipality in Romsdalen county, Norway. He held degrees in both electrical and mechanical engineering. Mechanical trade school at Porsgrunn in Telemark county, Norway. He also studied at the Hindenburg Polytechnicum in Oldenburg, Germany. At age 24, Magnus Bjorndal came to the United States in 1923. He studied electrical engineering at Brooklyn Polytech.
Magnus Bjorndal served as chief engineer of The Daven Radio Company, an electronics manufacturer in Newark, New Jersey. Subsequently he was the founder and president of Tech Laboratories, Inc., which was incorporated in the state of New Jersey in 1937. Tech Laboratories developed the initial test and control instruments for the NBC Radio City Studios in New York City. Bjorndal personally held a number of United States patents for scientific and technical instruments.
Bjorndal was a member of American Institute of Electrical Engineers, American Association for the Advancement of Science and Audio Engineering Society. Bjorndal served as editor of the Norwegian-American Technical Journal. He was president of Norwegian-American Historical Association.
Bjorndal died in Hoboken, New Jersey in 1971.

Selected listing of patents

  • Terminal For Resistors – Patent number: 1971809, Filing date: Oct 28, 1929, Issue date: Aug 1934
  • Variable Speed Gearing – Patent number: 1883500, Filing date: Nov 24, 1930, Issue date: Oct 18, 1932
  • Electric Hydrometer – Patent number: 2071607, Filing date: December 13, 1933, Issue date: Feb 23, 1937