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Ingenious Patents (Revised)
Discover some of the most innovative of the 6.5 million patents that the U.S. Patent and Trademark Office has granted since Thomas Jefferson issued the first one in 1790. Updated and reformatted from the original 2004 edition, Ingenious Patents presents each device along with background about the inventor, interesting sidebars and history, and an excerpt from the original patent application....HardbackSold Out
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Ingenious Patents (Revised)
Discover some of the most innovative of the 6.5 million patents that the U.S. Patent and Trademark Office has granted since Thomas Jefferson issued the first one in 1790. Updated and reformatted from the original 2004 edition, Ingenious Patents presents each device along with background about the inventor, interesting sidebars and history, and an excerpt from the original patent application....HardbackSold Out