On the subject-matter of letters patent for inventions : being a supplement to the Law and practice of letters patent for inventions / by Thomas Webster.

London : Crofts and Blenkarn, 1841.

47124

Patent laws and legislation -- Great Britain.

Reproduction of original from Harvard Law School Library.

Includes bibliographical references.

OCLC, 27692488

Electronic reproduction. Farmington Hills, Mich. : Thomson Gale, 2004. Available via the World Wide Web. Access limited by licensing agreements. s2004 miunns

Making of modern law online collection.

iv, 43 p. ; 25 cm