Patently Ridiculous: Scuba-Diving Dogs, Beerbrellas, Musical Toothpaste, And Other Patented Strokes Of Genius (Paperback)

Presents a compilation of the most unique, unusual, and bizarre patent applications presented to the U. S. Patent Office over the past century, including such inventions as nasal filters, shoelace tip holders, and umbrellas with ears. Author: Ross, Richard. Number of Pages: 159. Published On: 2005/03/29. Language: ENGLISH
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