Index of Patents :  Part 1: List of Patentees Vol.1.2 ; Part 2: Index to Subjects of Inventions 

 - 1997 
 - Getr. Zählung 
<br/><br/><label>ISBN: </label>0-16-049800-7 0-16-049801-5 
<br/><br/><label>Subjects--Topical Terms: </label><br/>USA<br/>Patent<br/>Index