TY  - GEN
AU  - Lerner, Josh,
ID  - 13559
KW  - Patents
KW  - PATENTS : HISTORY
KW  - UNITED STATES : PATENT OFFICE
KW  - PATENT PROTECTION
KW  - INNOVATION
N1  - Article downloaded and printed from the RePEc online archive. This paper is Working Paper 8977 of the NBER Working Paper Series (National Bureau of Economic Research).
T1  - Patent protection and innovation over 150 years /
TI  - Patent protection and innovation over 150 years /
ER  -