Carr, Laurence H.A. <br/><br/>
Patents for engineers/ 
Laurence H.A. Carr and J.C. Wood 
 - London:  Chapman and Hall,  1959 
 - 107 p.;  21 cm. 
<br/><br/>Includes bibliographical references and index. 
<br/><br/><label>ISBN: </label> USD 185 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Patents<br/>Patents and government--Developed inventions<br/>Engineering--Patents
<br/><br/><label>Dewey Class. No.: </label>608.742