Horwitz Lester <br/><br/>
Patent office rules and practice 
Horwitz Lester 
 - New York  Matthew Bender        1972 
 - vi,287p  cm. 
<br/><br/><label>Standard No.: </label>28,176 
<br/><br/><label>Source: </label> Reports / Technical Reports 
<br/><br/><label>Dewey Class. No.: </label>Z73:2673, L2.1