The National Archives holds nearly three million patent case files from 1836-1956. Eventually, models were no longer required. He looked in a library book, putting his finger in it and coming up with the. Each application had to be submitted with specifications, a patent drawing, and if possible a model of the invention. Whitney had met harp playing vocalist King and drummer Ovenall at Leicester. The patent act of 1790 established the rules for submitting a patent application. "Be it known that I, HANS HOHNER, a citizen of the German Empire, residing at Trossingen, lViirtemberg, Germany, have invented certain new and useful improvements in Mouth-Harmonicas and I do hereby declare the following to be a full, clear, and exact description of the invention, such as will enable others skilled in the art to which it appertains to make and use the same." This book is a 52 weeks practice journal designed to help chromatic harmonica players organize their practice time and reach their goals. It is finished with a distressed vintage effect bringing character and atmosphere. Restored and digitally enhanced while maintaining the integrity of the original documentĪdd colorful music to your office, home, or recording studio with this fun Hohner harmonica patent, beautifully printed on canvas with archival ink.
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