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				    							2015
				    							
				    						
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				    							Invention
				    						
				    						
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				    					Casing puller. A casing puller includes a body and at least one arm. The body has first and secon... | 
				    				
				    			
				    				
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				    							2013
				    							
				    						
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				    							Invention
				    						
				    						
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				    					Remote controlled vehicle. A remote controlled vehicle includes a chassis, front and rear axles m... | 
				    				
				    			
				    				
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				    							Invention
				    						
				    						
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				    					Pipe retriever. A pipe retriever (100) for retrieving an unsecured pipe (15) has a head (110) con... | 
				    				
				    			
				    				
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				    							2012
				    							
				    						
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				    							Invention
				    						
				    						
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				    					Pipe retriever. A pipe retriever for retrieving an unsecured pipe has a head connectable to a dri... | 
				    				
				    			
				    				
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				    							2010
				    							
				    						
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				    							Invention
				    						
				    						
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				    					Remote controlled vehicle. A method of directional drilling includes forming first and second pit... | 
				    				
				    			
				    				
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				    							Invention
				    						
				    						
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				    					Reamers and methods for directional drilling. A reamer includes a mandrel defining a mandrel axis... | 
				    				
				    			
				    				
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				    							Invention
				    						
				    						
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				    					Mobile self-erecting directional drilling rig apparatus. An apparatus and method for horizontal d... | 
				    				
				    			
				    				
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				    							Invention
				    						
				    						
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				    					Reamer and methods for directional drilling. A reamer for underground boring is provided. The rea... |