[ Home] [General Reference] [Government Documents] [Government Agencies]

Virtual Reference Desk Abstract

U.S. Patent Citation Database


From the Community of Science. This is a fully searchable bibliographic file containing all of the approximately 1.7 million U.S. patents issued since 1975. Updated weekly.

Go to this Site NOW


Subjects for this Item:

  1. PATENTS

    The Virtual Reference Desk


    http://www.virtualref.com/

    Copyright © 1997 Christopher C. Brown
    Revised: 2/11/01