What year was the west coast chopper bicycle made?

The Schwinn Apple Crate, Lemon Peeler, and Orange Crate bicycle's were new in 1968.

But Invented? Who knows. The first one I saw was back in the 1960's

The kid across the street from me's dad was a machinist that build choppers on the weekends, and he built the coolest ever chopper bike out of a Schwinn Stingray for his son.