| (84) |
Designated Contracting States: |
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AT CH DE DK GB IT LI SE |
| (30) |
Priority: |
10.03.1997 US 814288
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| (43) |
Date of publication of application: |
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29.12.1999 Bulletin 1999/52 |
| (73) |
Proprietor: Spratronics, Inc. |
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Snohomish, WA 98296 (US) |
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| (72) |
Inventor: |
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- OLIGSCHLAEGER, FRED
Bothell, WA 98012 (US)
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| (74) |
Representative: Jehan, Robert et al |
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Williams Powell
Morley House
26-30 Holborn Viaduct London EC1A 2BP London EC1A 2BP (GB) |
| (56) |
References cited: :
DE-C- 91 209 US-A- 2 676 062 US-A- 3 782 634 US-A- 4 714 196 US-A- 5 318 226
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US-A- 868 715 US-A- 3 204 873 US-A- 4 169 546 US-A- 5 278 423
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