Patent guide  a friendly guide to protecting and profiting form patterns 
by Carl W. Battle. 
 - New York  Alloworth  1997 
 - xiii, 209p.; 22cm. 
<br/><br/><label>ISBN: </label>1880559722 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Patients.
<br/><br/><label>Dewey Class. No.: </label>341.7586  / B33P