Michael J. Colitz, Jr.
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Wacky Patent of the Month


Man Catching Tank
February 2016 Wacky Patent


U.S. Patent Number: US 1,392,095

Patented Sept. 27, 1921


Stanley Valinski


Colitz Catchphrase:

"Bank robbers and burglars, beware!”

wacky patent illustration

view - original patent

This invention relates to a man-catching tank and it is espcially, although not necessarily, designed for use in banks for catching and holiding burglars or the like. The principal object of the invention is to provide a device of this class embodying a portable motor-driven armored tank or watch-box for the watchman, this box being equipped with peep-holes, gun-openings and other conveniences, and having on its exterior novel means for grabbing and holding the thief until assistance arrives.

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