An electrostatographic process cartridge detachably mountable into a cavity defined by mated modules forming parts of an electrostatographic reproduction machine. The process cartridge includes an elongate housing having walls defining a front end of the process cartridge, a rear end ...http://www.google.ca/patents/US5784671?utm_source=gb-gplus-sharePatent US5784671 - Process cartridge including a handle defining part of a machine paper path 
