| Original language | English |
|---|---|
| Patent number | US Patent 7,177,816 |
| Publication status | Published - 11 Nov 2008 |
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Helen Hastie (Inventor), Patrick Ehlen (Inventor), Michael Johnston (Inventor)
Research output: Patent
| Original language | English |
|---|---|
| Patent number | US Patent 7,177,816 |
| Publication status | Published - 11 Nov 2008 |