Wherry, Timothy Lee <br/><br/>
Patent searching for librarians and inventors / Timothy Lee Wherry 

 - Chicago :  American Library Association,  1995 
 - viii, 89 p 
<br/><br/> Monografía 
<br/><br/><label>ISBN: </label>0838906419 (papel libre de ácido) 
<br/><br/><label>Subjects--Index Terms: </label>Investigación de Patentes 
<br/><br/><label>LC Class. No.: </label>T210/W44