|Along with his success with the Atchison Topeka & Santa Fe Railroad, John Z. Roraback and partner James M. |
Edgar held patents and inventions for locks and their movements that would be used in the railroad industry.
Among them were patent #458,125, an invention for an indicator lock mechanism dated August 18, 1891. On
March 31, 1891 they submitted patent #449,314 for an indicator lock. John then submitted patent #449,334
on March 31, 1891 for the mechanical movement inside the lock. On January 02, 1894 they submitted yet
another patent for an indicator lock, #512,169. On March 26, 1896, John Z Roraback submitted his final patent
application, #638,397 for an indicator lock.
He was also involved in a legal battle, Hughes vs. Ewing that was heard by the Supreme Court of Missouri,
Division 2 on March 26, 1901.
John Z. Roraback died July 26, 1923 in Kansas City, Missouri and is buried at
Bellefontaine Cemetery in St. Louis, Missouri