Improvement in Call-Bells" utility patent. In 1868 Ezra G. Cone was issued a patent for his invention from the United States Patent & Trademark Office (USPTO). There were 2 documents on file for this patent. The drawing specification sheet of the patent has been reproduced from original USPTO documents and printed onto parchment paper. This print is sized and ready to install into an 8" x 10" frame. The additional sheets included are printed on 5.50" x 8.50" parchment paper. These accompanying documents describe the scope of this invention in formal terms. The following is an actual excerpt from the patent…

       " Be it known that I, Ezra G. Cone, of East Hampton, in the county of Middlesex, and State of Connecticut, have invented a new and improved Bell; and I do hereby declare that the following is a full, clear, and exact description thereof, reference being had to the accompanying drawings. My invention consists in the combination, with a suitable handle, of two gong-shaped or open-mouthed bells, provided with a suitable clapper or clappers, whereby I am enabled to produce a bell, for calling persons to their meals, having a more melodious sound than bells for the same purpose heretofore constructed."…