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80 pages • first pub 2014 (view editions)
ISBN/UID: 9781623541019
Format: Paperback
Language: English
Publisher: Charlesbridge Publishing
Edition Pub Date: Not specified
Description
Dive into the US Patent Office's zaniest back-catalogue entries in this laugh-out-loud collection of wacky, weird, and unwieldy inventions Why haven't we ever heard of the jumping balloon, the ejector bed, or the Portable Baby Cage? Some inventio...
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80 pages • first pub 2014 (view editions)
ISBN/UID: 9781623541019
Format: Paperback
Language: English
Publisher: Charlesbridge Publishing
Edition Pub Date: Not specified
Description
Dive into the US Patent Office's zaniest back-catalogue entries in this laugh-out-loud collection of wacky, weird, and unwieldy inventions Why haven't we ever heard of the jumping balloon, the ejector bed, or the Portable Baby Cage? Some inventio...