Patents and Trade Mark Cases 

 - Ludhiana :  PTC, 
<br/><br/> Patents and Trade  Marks Cases comprises on the Laws of Trade Marks, CopyRights, Patents and Designs.  Available Volume : Vol. 1-24, 26-18, 30-48<br/>                             <br/>Missing Volume : 25 & 29 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Trade Marks, Copy Rights.<br/>Patents and Designs.