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...Chester Carlson was a patent agent who tired of having to make multiple copies of patent applications using the only duplication method available at the time: carbon paper. In 1959 he came up with a new copying system and took it to IBM for evaluation. The "experts" at IBM determined potential sales to be only 5,000 units because people wouldn't want to use a bulky machine when they had carbon paper. Carlson's invention was the xerography process, the company founded on the system is Xerox.

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Class D15/126 - Element or attachment


Subclass of Class D15 - Machines not elsewhere specified
No. of patents: 87
Last issue date: 05/29/2012


1      
NumberTitleIssue Date
D660888Grinding and polishing disc having extending fins which create an air cooling vortex
05/29/2012
D660331Ophthalmic roughing wheel
05/22/2012
D657404Backing plate for abrasive flap wheels
04/10/2012
RE43120Abrasive plate
01/24/2012
D651223Machining insert for the initial machining and/or the reprofiling of at least one wheel of a vehicle that runs on rails, and for the initial machining and/or the reprofiling of a disc of a disc brake for atleast one wheel of a vehicle that runs on rails
12/27/2011
D646309Grinding tool
10/04/2011
D645065Abrasive article with holes
09/13/2011
D642601Cutting element
08/02/2011
D642602Cutting element
08/02/2011
D640296Nozzle for a sand jet
06/21/2011
D640295Nozzle for a sand jet
06/21/2011
D638863Grinding wheel blade
05/31/2011
D629024Cutting element
12/14/2010
D628217Disc sander head with security rings
11/30/2010
D626977Abrasive plate
11/09/2010
D626978Grinding wheel
11/09/2010
D626976Abrasive segment
11/09/2010
D625743Truing tool for a grindstone
10/19/2010
D621427Adapter for a sanding tool
08/10/2010
D620958Fabric abrading hand tool
08/03/2010
D603884Pad for grinding or polishing ophthalmic lenses
11/10/2009
D602963Grinding tip for grinder
10/27/2009
D597108Sieving hopper for abrasive blasting apparatus
07/28/2009
D595749Abrasive article
07/07/2009
D595319Grinding tip for grinder
06/30/2009
D595320Grinding tip for grinder
06/30/2009
D594889Grinding tip for grinder
06/23/2009
D593140Lapping plate
05/26/2009
D592684Abrasive segment
05/19/2009
D590850Grinding tip for grinder
04/21/2009
D589990Abrasive segment
04/07/2009
D589541Grinding wheel
03/31/2009
D589540Grinding tip for grinder
03/31/2009
D587288Abrasive plate
02/24/2009
D586370Random hole abrasive disc
02/10/2009
D585466Abrasive segment
01/27/2009
D582445Abrasive disc
12/09/2008
D582446Abrasive segment
12/09/2008
D576185Abrasive segment
09/02/2008
D572278Segment tip for a grinding wheel
07/01/2008
1      
 
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