Reese filed his first patent for a series of adjustable stencil letters in June 1873 (no. 148,087) and filed a second in 1876 for stencils with an S-fold on one edge to lock together with adjacent ...

Edison's 1876 patent covered a flatbed duplicating press and an electric pen for cutting stencils. Chicago inventor Albert Blake Dick improved the stencils while experimenting with wax paper and ...

Before the laser printer, before the Xerox, and before the carbon copy, there was the mimeograph machine. In 1876, Thomas A. Edison (1847-1931) filed a United States patent for autographic printing by ...