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SPECIALISED POLYURETHANE APPLICATIONS PTY LIMITED
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NEW SOUTH WALES, AU
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Patents Grants
last 30 patents
Information
Patent Grant
Borehole plug and method
Patent number
4,846,278
Issue date
Jul 11, 1989
Du Pont (Australia) Ltd.
Geoffrey Robbins
E21 - EARTH DRILLING MINING
Patents Applications
last 30 patents
Trademark
last 30 trademarks
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Trademark
74005708 - STEMLOCK
Serial number
74005708
Registration number
1639094
Filing date
Nov 28, 1989
SPECIALISED POLYURETHANE APPLICATIONS PTY LIMITED
17 - Rubber, gutta-percha, gum, asbestos, mica and goods made from these materials and not included in other classes