Ikenson, Ben <br/><br/>
Patents :  ingenious inventions / 
Ben Ikenson 
 - New York :  Black Dog & Leventhal Publishers,  2004       
 - 288 p. 
<br/><br/><label>ISBN: </label>1579123678 
<br/><br/><label>LC Class. No.: </label>T 47 I26p 2004