David Gilbert Hay

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Balaclava, AU

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Patents Grantslast 30 patents

Information Patent Grant
Apparatus for loading gas-conveyed particulate solids into a borehole
- Patent number 4,003,429
- Issue date Jan 18, 1977
- ICI Australia Limited
- David Gilbert Hay
- F42 - AMMUNITION BLASTING
Information Patent Grant
Device and process
- Patent number 3,952,656
- Issue date Apr 27, 1976
- Imperial Chemical Industries of Australia and New Zealand Limited
- Richard Fox
- F42 - AMMUNITION BLASTING