TY - BOOK AU - Khan,B.Zorina TI - Legal monopoly : patents and antitrust litigation in U.S. manufacturing, 1970-1998 AV - KF1875 K426L PY - 1999/// CY - Cambridge, Mass. PB - National Bureau of Economic Research KW - MANUFACTURING INDUSTRIES KW - LAW AND LEGISLATION KW - UNITED STATES KW - HISTORY KW - 20TH CENTURY KW - MANUFACTURING INNOVATIONS KW - TECHNOLOGICAL INNOVATIONS KW - UNITED STATE KW - ECONOMICS KW - RESEARCH ER -