Salant, Stephen W., <br/><br/>
Comment on Gilbert and Newberry's "Preemptive patenting and the persistence of monopoly" / 
Stephen W. Salant 
 - 8 pages ;  28 cm. 
 - The Rand paper series;  P-6840 .
 - The Rand paper series;  P-6840 .
<br/><br/>Includes bibliographical references: page 8 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Patents--Economic aspects