Horwitz Lester <br/><br/>
Patent office rules and practice 

 - New York  Matthew Bender New     1972 
 - 2194p  cm. 
<br/><br/><label>Standard No.: </label>28,349 
<br/><br/><label>Source: </label> Textual 
<br/><br/><label>Dewey Class. No.: </label>Z73:2673, L2.1A