Harmonica Canvas Patent Print
- Printed in the U.S.A. on canvas with archival ink
- 16 X 20 inch patent print
- Restored and digitally enhanced while maintaining the integrity of the original document
- Antiqued blackboard finish
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Add colorful music to your office, home, or recording studio with this fun Hohner harmonica patent, beautifully printed on canvas with archival ink. It is finished with a distressed vintage effect bringing character and atmosphere.
"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."
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The patent act of 1790 established the rules for submitting a patent application. Each application had to be submitted with specifications, a patent drawing, and if possible a model of the invention. Eventually, models were no longer required.
The National Archives holds nearly three million patent case files from 1836-1956.