A method of wrapping a tray of produce or other articles requiring ventilation is provided. A ventilated package produced in accordance with the method is also provided. In accordance with the method, a sheet of flexible plastic film is applied to an open ended tray. The sheet includes a perforated portion...http://www.google.de/patents/US5171593?utm_source=gb-gplus-sharePatent US5171593 - Ventilated produce package, and method of making the same
