Miller Electric Mfg. Co. was incorporated in 1935. The next year, Al Mulder, Miller's sole engineer, invented the world's first high frequency-stabilized AC industrial welder. This improved the quality of the welding arc, making AC welding practical for use in factories and construction.
Noteworthy Inventions of the 1930s
1930: Clarence Birdseye patents his frozen food process and 3M engineer Richard Drew patents Scotch tape.
1938: Patent attorney and physicist Chester Carlson invented the process that would eventually be named Xerography (“dry copy”).
1939: Air and land travel take legendary leaps. Igor Sikorsky invents the first successful helicopter.
Miller Electric Mfg. Co. was incorporated in 1935. The next year, Al Mulder, Miller's sole engineer, invented the world's first high frequency-stabilized AC industrial welder. This improved the quality of the welding arc, making AC welding practical for use in factories and construction.
