Charles Spiro

Charles Spiro (January 1, 1850 – December 17, 1933) was an American inventor and an attorney who held 200 patents and patented Bar-Lock, Visigraph, Columbia and Columbia Music typewriters and helped develop the Gourland typewriter, among others.^[1] Spiro was born and died in New York City. He gave up his law profession after nine years and focused on refining his typewriters.^[2] He was also president of C. Spiro Manufacturing Company of Yonkers.