| 2013 | Invention | Sprocket tooth | 
				    			
				    				
				    					| 2009 | Invention | Apparatus and methods for a pneumatic transmission system. A blower assembly for a pneumatic carr... | 
				    			
				    				
				    					|  | Invention | Carrier car door assembly. Carrier car door assemblies respectively comprising a carrier car comp... | 
				    			
				    				
				    					| 2007 | Invention | Apparatus and methods for an equipment stand for a drive-thru employee station. Apparatus and met... | 
				    			
				    				
				    					| 2006 | Invention | Drive thru equipment stand | 
				    			
				    				
				    					|  | Invention | Drive-thru pre-order terminal | 
				    			
				    				
				    					| 2005 | Invention | Door and valve assembly for a pneumatic transmission system. A door and valve assembly for a pneu... | 
				    			
				    				
				    					|  | Invention | Pneumatic transmission system. A pneumatic transmission system includes a first terminal, a secon... | 
				    			
				    				
				    					| 2001 | Invention | Conveyor system with stabilized carrier. A conveyor system for delivering items between a process... | 
				    			
				    				
				    					| 2000 | Invention | Method and apparatus for interfacing a drive-thru intercom system with a telephone system. A meth... | 
				    			
				    				
				    					| 1998 | Invention | Tape drive conveyor system with twisted conformation. A flexible drive tape conveyor system for c... | 
				    			
				    				
				    					| 1997 | Invention | Modular transaction station. A modular transaction station, comprising a frame; a monocoque count... | 
				    			
				    				
				    					|  | Invention | Transaction drawer assembly and method. An improved transactional drawer and method for reciproca... | 
				    			
				    				
				    					| 1993 | Invention | Method and apparatus for electrical dynamic braking. A dynamic braking circuit for use with bi-di... | 
				    			
				    				
				    					| 1992 | Invention | Flexible tape drive system. A flexible tape drive system of the type having a flexible yet relati... | 
				    			
				    				
				    					| 1990 | P/S | conveyors | 
				    			
				    				
				    					| 1987 | P/S | CONVEYORS FOR USE IN DRIVE-IN RESTAURANTS TO DELIVER ORDERS FROM A PROCESSING STATION WITHIN THE ... | 
				    			
				    				
				    					| 1980 | Invention | Building structure |