Copy specification of Cawood patent
Series: Nineteenth-century legal treatises. Intellectual property; 19th-century legal treatises -- no. 31087.
Publisher: s.n.
Published: 1856
Place of publication: [S.l
Language: eng
Format: Microform
Subjects: Railroads -- Tools and implements -- Patents.
Notes: Patent application letter for improvements to the common anvil, or swage block; letters-patent no. 15,687 granted to Cawood, Sept. 9, 1856.

Title from caption.

Signed: Joseph D. Cawood.

Microfiche. Woodbridge, Conn. : Research Publications, [1988?] 1 microfiche. (19th-century legal treatises ; no. 31087)