1917: Swen Swanson,
Williamsburg VA.
USA
1922: Univ of South Dakota,
Vermillion SD.
USA
S. S. Swanson was an amateur constructor, and in 1923 co-producer of Swanson-Freeman light biplane.
1925: Swanson-(Edgar) Freeman,
Vermillion SD.
Later worked with Lincoln-Standard Aircraft Corporation.
Swanson Airplane Company Inc incorporated 1930, and developed Swanson Coupe two-seat high-wing cabin monoplane.
1931: Rockford IL.
Swanson Aircraft Co Inc,
Hopewell VA.
1934: Swanson-(Olaf “Ole”) Fahlin,
at Nicholas-Beazley Airplane Co,
Marshall MO.
1935: Fahlin Mfg Co (propellers).
All Aero 