Marketing your invention  a guide 
prepared by: American Bar Association Section of Patent, Trademark and Copyright Law. 
 - Chicago, IL  American Bar Association, Section of Patent, Trademark and Copyright Law  c1989. 
 - 30 p.  23 cm. 
<br/><br/><label>ISBN: </label>0897074483 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Patent laws and legislation--United States--Popular works.