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Patent No. 5823386

Reward Candy Dispenser for Personal Computers

A personal computer peripheral, battery powered reward candy dispenser which immediately presents students with a single candy for each problem completed correctly.

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Class D10/66 - Transit or theodolite


Subclass of Class D10 - Measuring, testing, or signalling instruments
No. of patents: 43
Last issue date: 02/21/2012


1    
NumberTitleIssue Date
D654384Surveying stake cap
02/21/2012
D642485Laser scanner
08/02/2011
D638318Laser scanner
05/24/2011
D635475Theodolite geodetic apparatus
04/05/2011
D635474Bow-curved front portion for a theodolite geodetic apparatus
04/05/2011
D635038Rotating laser
03/29/2011
D632985Optical beam leveling instrument
02/22/2011
D629314Electronic tacheometer
12/21/2010
D612753Rotating laser
03/30/2010
D609124Rotating laser
02/02/2010
D605959Land surveying total station measuring device
12/15/2009
D588481Laser sensor
03/17/2009
D587148Laser sensor for machine control system
02/24/2009
D581819Automatic leveling laser marking instrument
12/02/2008
D576894Chalk line dispenser with rewindable chalk line
09/16/2008
D576062Total station
09/02/2008
D573045Line laser
07/15/2008
D573046Chalk line dispenser with thumb operated locking member
07/15/2008
D571236Survey rover unit using real-time kinematic technology
06/17/2008
D564922Laser irradiator
03/25/2008
D563247Three-dimensional measuring instrument
03/04/2008
D563246Roof of rotating laser having telescopic sight
03/04/2008
D561621Rotating laser
02/12/2008
D558076Light line generating device
12/25/2007
D558075Laser transit
12/25/2007
D549117Light line generating device
08/21/2007
7258507Environment oriented road stud
Disclosed is a road stud including an indicating part exposed on a road surface, an anchor extended from the indicating part and inserted into an anchor inserting hole of the road surface and at least one pair of anti-rotation wings interposed between the road surfa... 		08/21/2007
D538683Laser receiver for surveying
03/20/2007
D538691Laser line generator
03/20/2007
D532325Portion of electronic theodolite
11/21/2006
D531921Portion of electronic theodolite
11/14/2006
D531071Survey marker
10/31/2006
D527293Laser projecting apparatus
08/29/2006
D526587Laser level
08/15/2006
D526588Surveying device
08/15/2006
D526223Laser measuring instrument
08/08/2006
D497113Centripetal telescope that uses a laser for surveying instrument
10/12/2004
D494074Optical measuring theodolite
08/10/2004
D491824Centripetal telescope that uses a laser for surveying instrument
06/22/2004
4428671Optical device for vertically positioning a sextant
An optical device for vertically positioning a sextant to minimize the "tilt error" which occurs in a measured angle of altitude whenever the sextant is not held orthogonal to the horizon. The optical device can be fixed to the sextant and provides in the... 		01/31/1984
1    
 
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