1. American dental patents: a vindication of the truth of certain articles in the American journal of dental science, entitled a "Sketch of American dental patents", and a refutation of the charges made against them, by the Dental register : a notice of the action of the Mississippi Valley Association and Ohio College of Dental Surgery, on the subject of patenting professional improvements Author(s): Kendall, Geo. W. (George W.) Publication: Cincinnati : [s.n.], 1854 Subject(s): DentistryPatents as Topic