The Rickenbacker Electro A-22, nicknamed the "Frying Pan" is the first electric lap steel guitar. Developed in 1931/1932, it received its patent in August 1937. A previous attempt, the Stromberg company‘s transducer-based "Stromberg Electro", was introduced in 1928. Wikipedia
Pickup(s): One Rickenbacker horse-shoe magnet pickup
Manufacturer: Ro-Pat-In Company (later renamed to Rickenbacker)