Before the Hon. Philip F. Thomas, Commissioner of Patents
Subtitle: in the matter of the application of Elias Howe, Jr., for an extension of his patent for sewing machines : testimony taken on the part of the applicant, Elias Howe, Jr
Contributors: United States. Patent Office
Publisher: Wm. W. Rose
Published: 1860
Place of publication: New York
Language: eng
Number of pages: 228
Subjects: Sewing machines; Patents
Notes: Includes index.