TY  - BOOK
AU  - Frost,Robert
TI  - Treatise on the law and practice relating to letters patent for inventions: with an appendix of statutes, international conventions, rules, forms and precedents, orders, &c. 
PY  - 1912///
CY  - London
PB  - Stevens and Haynes
KW  - Patent laws and legislation
KW  - Great Britain
ER  -