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Patent Database Producer and Vendor Home Pages
AIDS Patent Database
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Community of Science US Patent Citation Database
Corporate Intelligence Corporation
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The Dialog Corporation
Directory of Patent Retrieval Databases and Patent Searching Services
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IFI/ Plenum Data Corporation
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Lexis-Nexis
PATSCAN Patent and Trademark Searching
PAT-ROM: Patent Information Search System
Q-PAT (Questel.Orbit)
Source Translation & Optimization's (STO) Internet Patent Search System
Software Patent Institute Database
US Patent Bibliographic Database
Patent Searching Pages and Tutorials on the Web
The British Library Science Reference and Information Service (SRIS)
Clemson University Libraries
Detroit Public Library-Strategy for Performing a Patent Search
IFI/Plenum Data Corporation
Dialog Web Tutorial
Guide to Patent Basics
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Patent Searching at the UW Engineering Library
Patent Searching Tutorial
A Simplified Guide to Searching Patents
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VRN Patent Search Page
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Gowling, Strathy & Henderson
Guenther Kehl
AWIN Network Legal Services Center
Italian Patent and Trademark Office
Institute of Professional Representatives before the EPO
Oppedahl & Larson
Patent Attorneys and Agents Registered to Practice before the PTO
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