A pumping module is provided for use with an external dispensing machine, for dispensing pumped material. The pumping module has multiple motor driven pumps in modular cabinets which may be coupled together in various directions and three-dimensional space. Pumping modules located remote from the dispensing...http://www.google.com/patents/US5480288?utm_source=gb-gplus-sharePatent US5480288 - Pump module for dispensing apparatus
