1846
in America
Howe
1846
in England
W. Thomas (Howe's patent)
1848
in America
J. A. Bradshaw
US 5.942 (November 28, 1848 )
I claim as my invention, and desire to secure by Letters Patent, is:
1. The combination of the rubber or friction plate, helical spring, and bobbin with the case, as described, for producing degree of tension in the thread while being unwound from the bobbin, substantially as set forth, whether the several parts be combined and arranged in the manner described, or other mode substantially the same, by which similar results are produced.
2. The peculiar bobbin case carrying the second thread, as above described.
1849
in England
The London Sewing Machine
In April 1849 Elias Howe left England and went back to New York after an absence of two years from the country.
1850
J. A. Lerow
1850
A. B. Wilson
1851
US 8.294 I. M. Singer August 12, 1851
1857
1860
Davis