Evaluating inventive activity: the cost of nineteenth-century UK patents and the fallibility of renewal data

被引：32

作者：

Macleod, C ^{[1
]}

Tann, J

Andrew, J

Stein, J

机构：

[1] Univ Bristol, Bristol BS8 1TH, Avon, England

[2] Univ Birmingham, Birmingham B15 2TT, W Midlands, England

来源：

关键词：

D O I：

10.1111/j.1468-0289.2003.00261.x

中图分类号：

F [经济];

学科分类号：

02 ;

摘要：

引用

页码：537 / 562

页数：26

共 36 条

[1]

ANDREW J, 2001, T NEWCOMEN SOC, V72, P17

[2]

[Anonymous], 1989, POWER STEAM HIST STA

[3]

[Anonymous], PERPETUUM MOBILE SEA

BATZEL, VM .

[5]

BOEHM K, 1967, BRIT PATENT SYSTEM

[6]

Brewster D., 1830, Q REV, V43, P305

[7]

Coulter M, 1992, PROPERTY IDEAS PATEN

[8]

Davenport Neil, 1979, UK PATENT SYSTEM

[9]

Dutton H.I., 1984, PATENT SYSTEM INVENT

Feinstein, CH .