| 2018 | Invention | Two-dimensional position sensing systems and sensors therefor. 
Two dimensional position sensing ... | 
				    			
				    				
				    					|  | Invention | Systems and sensors for sensing and tracking radiation blocking objects on a surface. Several sys... | 
				    			
				    				
				    					| 2016 | P/S | Touch interface overlays for display screens; Electronic display screens with touch interfaces; T... | 
				    			
				    				
				    					| 2015 | Invention | Two-dimensional and three-dimensional position sensing systems and sensors therefor. 
Two and thr... | 
				    			
				    				
				    					|  | Invention | Sensors, systems and methods for position sensing. 
Various systems and methods for estimating th... | 
				    			
				    				
				    					| 2013 | Invention | Systems and methods for sensing and tracking radiation blocking objects on a surface. Various sys... | 
				    			
				    				
				    					|  | Invention | Sensors, systems and methods for position sensing. Various systems and methods for estimating the... | 
				    			
				    				
				    					|  | Invention | Systems and methods for sensing and tracking radiation blocking objects on a surface. Several sys... | 
				    			
				    				
				    					| 2012 | Invention | Modular position sensing systems and methods. Various embodiments of a modular position sensing s... | 
				    			
				    				
				    					|  | Invention | Mounting systems for modular position sensing systems. 
Various mounting systems and methods for ... | 
				    			
				    				
				    					|  | Invention | Mounting systems for modular position sensing systems. Various mounting systems and methods for m... | 
				    			
				    				
				    					| 2011 | Invention | Two-dimensional and three-dimensional position sensing systems and sensors therefor. Two and thre... | 
				    			
				    				
				    					|  | Invention | Two-dimensional position sensing systems and sensors therefor. Two dimensional position sensing s... |