Patent and Trademark Office notices. 
 U.S. Patent and Trademark Office official gazette 

 - [Washington, D.C.?  Dept. of Commerce, Patent and Trademark Office  For sale by the Supt. of Docs., U.S. G.P.O., 
 - v.  27 cm. 
 - 
<br/><br/> Description based on: [March 3, 1981]; title from caption. 
<br/><br/>Taken from issues of Official gazette of the United States Patent and Trademark Office. 
<br/><br/><label>Source: </label>703-035-00000-1  GPO 
<br/><br/><label>LCCN: </label>sn 87043037  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Trademarks--Periodicals.--United States<br/>Patents--Periodicals.--United States
<br/><br/><label>GPO Item No.: </label>0260 
<br/><br/><label>Gov. Doc. Class. No.: </label>C 21.5/4 A: