| (84) |
Designated Contracting States: |
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AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LT LU LV MC NL PL PT RO SE
SI SK TR |
| (43) |
Date of publication of application: |
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13.08.2008 Bulletin 2008/33 |
| (73) |
Proprietors: |
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- ABB Research Ltd.
8050 Zürich (CH)
- Massachusetts Institute of Technology
Cambridge, MA 02139 (US)
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| (72) |
Inventors: |
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- WEBER, Alexis, Christian
Cambridge, MA 02139 (US)
- SLOCUM, Alexander, H.
NH 03304 (US)
- LANG, Jeffrey
Sudbury, MA 01776 (US)
- KOTILAINEN, Sami
CH-5200 Brugg (CH)
- LI, Jian
Fremont CA 94539 (US)
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| (74) |
Representative: ABB Patent Attorneys |
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C/o ABB Schweiz AG
Intellectual Property (CH-LC/IP)
Brown Boveri Strasse 6 5400 Baden 5400 Baden (CH) |
| (56) |
References cited: :
US-A- 5 638 946 US-B1- 6 587 021
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US-B1- 6 520 778
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