Better mousetrap builders – How small-time inventors – alone or in clubs – make widgets for fun (and maybe a profit).

Mothers of invention have turned up here at the Yankee Invention Exposition in the old Armory. So too have some fathers and grandfathers, and not a few offbeat uncles and aunts.

They watch for corporate product scouts, venture capitalists, anyone who’ll inspect the whiz-bang widgets they have lovingly contrived. Joe and Melissa Sugameli, from Roseville, Mich., show their "Lil’ Sleepy Head" restraint, meant to keep babies from slumping in car seats. Tom Knightlinger, from Zebulon, N.C., touts a tiny "Popabrella" that can keep a camera dry. Octogenarian R.P. "Lux" Wilkinson, from Ardmore, Okla., offers fraud-busting checks with photo identification imprinted in their corners.

By Clayton Collins | Staff writer of The Christian Science Monitor

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