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DERWENT DEMO
— Free practice searching limited to one week of data
Derwent Number Search
Manual code revisions
By Publication Number
US United States of America
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--------
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TR Turkey
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US United States of America
UY Uruguay
VN Vietnam
WO World IPO (WIPO)
YU Yugoslavia
ZA South Africa
ZM Zambia
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Number Searching
Examples: US 6056689, EP 738482, WO 27698, JP 131452
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Examples: 2000-266649 | 2000-185347 | 2000-317168
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