Unable to fight during the Civil War, Hopson, at age 58, still worked for the Confederate cause. On September 25, 1862, he was granted patent number 106 by the Confederate Patent Office for creating a "projectile." The vast majority of the records from the Confederate Patent Office were destroyed at the end of the war, so it is unknown what Hopson's invention actually was. On October 29, 1866, the state legislature, by joint resolution, gave Hopson an additional 640 acres of land, which was issued to him on November 9, 1866. A member of the Texas Veterans Association, Hopson lived in Lampasas County. He died in Austin on February 16, 1896, and was buried in the Texas State Cemetery.
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Texas State Cemetery