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Knowcast Patent Database and Consulting Services
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Technical Translations Agency
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Patent Database Producer and Vendor Home Pages
AIDS Patent Database
Nn2K Telebases's Brainwave
Chemical Abstracts Service (CAS/STN)
Chemical Patents Plus (CAS)
Clearinghouse for Networked Information Discovery and Retrieval (CNIDR)
Community of Science US Patent Citation Database
Corporate Intelligence Corporation
Derwent
The Dialog Corporation
Directory of Patent Retrieval Databases and Patent Searching Services
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IBM Patent Server
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Prous Science
Questel.Orbit
EDS Shadow Patent Office
IFI/ Plenum Data Corporation
Jet Propulsion Laboratory Patent Database
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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
Intellectual Property Web Tutorials
Searching for Patents
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Patent Search Overview
Patent Searching at the UW Engineering Library
Patent Searching Tutorial
A Simplified Guide to Searching Patents
University of Penn State Libraries
VRN Patent Search Page
Directories of Patent Searchers and Attorneys
Brem and Borer
Brown, Pinnisi & Michaels
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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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