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161.
Concordance : United States Patent Classification to International Patent Classification by
Edition: 1995 Ed.
Publisher: Washington: Patent and Trademark Office, 1995
Availability: Items available for loan: Das Österreichische Patentamt (1)Location, call number: 21812.
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"Small-Entity"-Status für Patentanmelder in den USA by Enthalten in: . Mitteilungen der deutschen Patentanwälte Jg. 87, Heft 1 (1996), Seite 10-13
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Index to the U.S. Patent Classification by
Edition: Dec. 1990
Publisher: Washington, 1991
Availability: Items available for loan: Das Österreichische Patentamt (1)Location, call number: 19833.
179.
Index to the U.S. Patent Classification System by
Edition: Dec. 1991 - Dec.1996
Publisher: Washington, 1992 - 1997
Availability: Items available for loan: Das Österreichische Patentamt (1)Location, call number: 19833.
180.
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