Joseph Sanders

Joseph Sanders (18 October 1877 – 1960) was a German-American who worked alongside his uncle Emile Berliner to develop the record player, the first controllable helicopter and one of the earliest production rotary engines.

[2] In June 1914, Sanders became the general manager of the Gyro Motor Company in Washington D.C.

[3] Sanders was active in supporting his community association in Forrest Hills.

He died at the age of 81, leaving over half a million dollars to various local charities.

[4] Sanders son, Robert would stay in aviation, becoming sales manager of his partner's son Henry Berliner's Erco Corporation in Riverdale, Maryland, eventually buying the assets, running the company as Sanders Aviation.