"Report of the trial in the case of William V. Many, vs. George W. Sizer et al., for the infringement of a patent for a railroad car wheel, commonly known as the wolf wheel : before Judge Sprague and a jury, at Boston, in the Circuit Court of the United States, for the Massachusetts District, January, 1849"@en . . . . . . . "Patents"@en . "Report of the trial in the case of William V. Many vs. George W. Sizer et al. for the infringement of a patent for a railroad car wheel, commonly known as the wolf wheel : before Judge Sprague and a jury, at Boston, in the Circuit Court of the United States, for the Massachusetts District, January, 1849"@en . . . . . . . . . .