On June 2, 1857, J.E.A. Gibbs received U.S. Patent No. 17,427 on Improvement in Sewing-Machines. This was the first practical single-thread chain-stitching sewing machine. Gibbs received two earlier patents for sewing machines, U.S. Patent No. 16434 and 16914.
On June 1, 1869, Thomas Edison received the first of his 1093 U.S and 2332 total patents. U.S. Patent No. 90,646 on an Electric Vote-Recorder:
The vote recorder was intended for use in legislatures to quickly and accurately record the yea and nay votes of the legislators.