73224713
Jul 25, 1979
Aug 25, 1981
Active Trademark
Bin Activator, Material Bulkbreaking and Hopper Evacuation Systems for Injecting Multiple Air Bursts Directly into a Compacted Material to Restore Free Flow, Consisting of an Electronic Programmer for Controlling the Pattern of Air Bursts from Each Injector and One or More Solenoid Operated Compressed Air Injectors
Electrical and Scientific Apparatus