Darren Hammonds

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Leek, GB

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Patents Grantslast 30 patents

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- Patent number 9,005,742
- Issue date Apr 14, 2015
- Spear Group Holdings Limited
- David John Davies
- B32 - LAYERED PRODUCTS
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- Patent number 8,304,073
- Issue date Nov 6, 2012
- Spear Group Holdings Limited
- David J. Davies
- B32 - LAYERED PRODUCTS

Patents Applicationslast 30 patents

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- Publication number 20130146230
- Publication date Jun 13, 2013
- SPEAR GROUP HOLDINGS LIMITED
- David John Davies
- B32 - LAYERED PRODUCTS
Information Patent Application
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- Publication number 20090218307
- Publication date Sep 3, 2009
- David J. Davies
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS