Official gazette of the United States Patent and Trademark Office  Patents 

 - Washington,D.C :  United States Dept. of Commerce, Patent and Trademark Office,  1979 
 - v. ;  26 cm. 
<br/><br/> Description based on: Vol. 988, no. 3 (Nov 20, 1979); title from cover  Library has v. 988  Latest issue consulted: Vol. 1201, no. 1 (Aug. 5, 1997) 
<br/><br/> Chemical abstracts  0009-2258 
 = Official gazette of the United States Patent and Trademark Office  Patents 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Patents--United States
<br/><br/><label>Dewey Class. No.: </label>351.0973