. . . "Amos E. Dolbear, Francis M. Holmes, and Henry B. Metcalf, appellants, vs. the American Bell Telephone Company brief for appellants"@en . . . . . . . "Amos E. Dolbear, Francis M. Holmes, and Henry B. Metcalf, appellants, vs. the American Bell Telephone Company : brief for appellants" . . . "Trials, litigation, etc"@en . "Trials, litigation, etc" . . . . . . . "Patents"@en . "Patents" . "Electronic books"@en . . . . . . . . . .