Mandell, Irving, <br/><br/>
How to protect and patent your invention;  patent law./ 
Irving Mandell. 
 - New York,  Oceana Publications  [1952, c1951] 
 - 80 p.  19 cm. 
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<br/><br/><label>LCCN: </label>51014019  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Patent laws and legislation--Popular works.--United States
<br/><br/><label>LC Class. No.: </label>KF3114.6  / .M3 
<br/><br/><label>Dewey Class. No.: </label>608/MAH