Necessity is the mother of invention. The father is unknown.
The following patent was issued by the US Patent and Trademark Office on January 11, 2005.
patent#: US 6840523
Technology for the next Ice Age.
Comments on Dog-Powered Vehicle
banqian | Jul 31, 2007 1:19 AM
Alex | Dec 24, 2006 9:43 PM
Wait... Doesn't having the dogs there elimate any cargo space?
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