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...that Robert Adler has the dubious distinction of being the Father of the Couch Potato? Back in 1955 Adler was employed by what was then Zenith Radio Corp., where he was charged to invent something that would allow viewers to turn down the TV volume without leaving their chairs. After a series of flops (such as a wired contraption that people tripped over), Adler hit on the idea of using sound waves. Thus the Remote Control was born...

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Class D32/21 - Vacuum


Subclass of Class D32 - Washing, cleaning, or drying machine
Definition: Design for machine that operates by suction.
No. of patents: 260
Last issue date: 05/29/2012


1              
NumberTitleIssue Date
D661032Vacuum cleaner
05/29/2012
D660530Robot vacuum cleaner
05/22/2012
D660529Vacuum cleaner
05/22/2012
D660531Portion of floor cleaning machine
05/22/2012
D659920Vacuum cleaner
05/15/2012
D659311Robot vacuum cleaner
05/08/2012
D658830Vacuum cleaner with a vessel
05/01/2012
D658341Robot cleaner
04/24/2012
D657921Vacuum cleaner
04/17/2012
D657508Vacuum cleaner
04/10/2012
D655872Vacuum cleaner
03/13/2012
D655873Vacuum cleaner
03/13/2012
D655871Vacuum cleaner
03/13/2012
D654232Swimming pool cleaner housing
02/14/2012
D653823Vacuum cleaner
02/07/2012
D653824Vacuum cleaner
02/07/2012
D653412Vacuum cleaner
01/31/2012
D653413Combined pool cleaner and attachment
01/31/2012
D652588Vacuum cleaner
01/17/2012
D652185Steam cleaner
01/10/2012
D651775Dust collector
01/03/2012
D651776Dust collector
01/03/2012
D647261Combined wet/dry vacuum cleaner with onboard tool storage and integrated dustpan accessory
10/18/2011
D647260Portable wet/dry vacuum cleaner
10/18/2011
D646855Vacuum cleaner
10/11/2011
D646030Cyclone module for vacuum cleaner
09/27/2011
D646032Canister for a vacuum cleaner
09/27/2011
D646031Vacuum cleaner canister
09/27/2011
D644799Pressure-side automatic pool cleaner
09/06/2011
D643979Hip-carried vacuum cleaner
08/23/2011
D643166Vacuum cleaner
08/09/2011
D642344Vacuum cleaner
07/26/2011
D640022Portable canister vacuum
06/14/2011
D638179Auxiliary cyclonic dust collector
05/17/2011
D637775Miniature backpack vacuum cleaner
05/10/2011
D633665Vacuum cleaner
03/01/2011
D632854Auxiliary cyclonic dust collector container
02/15/2011
D632443Auxiliary cyclonic dust collector container
02/08/2011
D630808Pool cleaner
01/11/2011
D630810Swimming pool cleaner
01/11/2011
1              
 
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