How I Invented a Two-Way Valve for Flush Toilets and Almost Made Millions

The author realized equipping flush toilets with a two-way valve would save the U.S. billions of gallons of fresh water.  He'd make millions if only he could patent the idea first. Originally published as "HOW I ALMOST MADE MILLIONS (AND NEARLY SAVED AMERICA FROM THE DROUGHT)" in the July/August 1981 issue of MOTHER EARTH NEWS.

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