I invented the cordless extension cord.

among the most fascinating of human social or economic inventions.

Human subtlety will never devise an invention more beautiful, more simple or more direct than does nature because in her inventions nothing is lacking, and nothing is superfluous.

An amazing invention - but who would ever want to use one?

Where a new invention promises to be useful, it ought to be tried

We believe that if men have the talent to invent new machines that put men out of work, they have the talent to put those men back to work