Gavin Campbell Armstrong

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Patents Grantslast 30 patents

Information Patent Grant
Pipe conveyor
- Patent number 7,654,387
- Issue date Feb 2, 2010
- Gavin Campbell Armstrong
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL

Patents Applicationslast 30 patents

Information Patent Application
PIPE CONVEYOR
- Publication number 20070261942
- Publication date Nov 15, 2007
- Gavin Campbell Armstrong
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL