U.S. patents available from 1976 to present.
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Comic actor Danny Kaye received patent D166,807 for the co-design of "Blowout Toy or the Like". It's similar to one of those toys that unravels when you blow into at a birthday party except Kaye's has three blowouts going in different directions, not just one.

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Class 172/168 - Rotating tool with fixed moldboard


Subclass of Class 172 - Earth working
Definition: Apparatus comprising a rolling or rotating earth working
No. of patents: 1
Last issue date: 08/18/1987


NumberTitleIssue Date
4687065Soil-inversion cultivator
A cultivator comprises an array of laterally-spaced soil-inversion discs having their centers arranged in a substantially horizontal line lying at not more than 30° to a transverse plane of the cultivator and being mounted for rotation about individual a... 		08/18/1987
 
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