The Parallelogram Bicycle

STEVEN JOHNSON

Sideline business as cartoonist specializing in quirky invention ideas since 1966. Author of 8 books: What the World Needs Now; Public Therapy Buses (two editions); Have Fun Inventing; Patent Depending: Vehicles;Patent Depending: Armbrella; Patent Depending: The Early Years; Patent Depending: A Collection; and Noodlings Coloring Book

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