Douglas S. Vandergriff

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Woodstock, GA, US

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Patents Grantslast 30 patents

Information Patent Grant
Bulk container with removable liner, discharge fitment for the line...
- Patent number 5,680,959
- Issue date Oct 28, 1997
- 21st Century Containers, Ltd.
- Steven P. Ettore
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information Patent Grant
Bulk container with removable liner, discharge fitment for the line...
- Patent number 5,586,690
- Issue date Dec 24, 1996
- 21st Century Containers, Ltd.
- Steven P. Ettore
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL