. . . . "U.S. Circuit Court for the District of Massachusetts, Elias Howe, Jr., and Another, vs. Orison Underwood, and Others"@en . . "Patents"@en . . . . . . . "Decision of Judge Sprague on Howe's patent for a sewing machine, issued September 10, 1846"@en . "Trials, litigation, etc"@en . . . . . . .