Tuska, C.D.  1896- <br/><br/>
An introduction to patents for inventors and engineers/ 
C.D. Tuska 
 - New York:  Dover Pub,  c1964 
 - xii, 192 p.:  ill.;  21 cm. 
<br/><br/> Includes index 
<br/><br/><label>ISBN: </label> $ 1.50 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Patents--law and legislation<br/>Inventors<br/>Engineering
<br/><br/><label>Dewey Class. No.: </label>608.773