Slide Trombone Patent Print Art Poster Black Ink on White with Border (20″ x 24″)

Slide Trombone Patent Print Art

This is a reproduction of the original Patent for a Slide-trombone.

It was invented by Joseph Hankey and filed on June 15, 1901.

It was issued on May 13, 1902 by the United States Patent and Trademark Office.

Price: $34.95