However, his greatest success was unquestionably the refinement of the typewriter. On April 7, 1885, Marshman was awarded a U.S. Patent for his invention. This would be one of many patents that ...
MILWAUKEE (CBS58) -- This weekend you can celebrate all things typewriter at the first-ever QWERTYFEST MKE. "We built Milwaukee on beer and typewriters," reads the logo of the first-ever ...