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.

Dog-Powered Vehicle patent#: US 6840523 filed under Pets view the full patent  | comments (2) posted on 1/25/2005, patent issued on 1/11/2005 Technology for the next Ice Age. I've got to admit, I'm surprised that someone went the distance to get patent protection for this invention. If only the dogs themselves could be patented!

Comments on Dog-Powered Vehicle

banqian | Jul 31, 2007 1:19 AM
good ideas.

Alex | Dec 24, 2006 9:43 PM
Wait... Doesn't having the dogs there elimate any cargo space?

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