Originally Posted by Argo44
Choke boring was essentially "invented" by Greener in 1875. It did not become popular until he demonstrated at "The Field" trial that spring then took London by storm. But still for the next 5 years more shotguns were sold cylinder bore than choked. Gun users were very conservative.
Greener developed choke boring, but its invention is generally credited to William Pape, who probably took the credit for one of his gunmakers at the time. However, its invention has also been attributed to Fred Kimble, Jeremiah Smith, and probably a half-dozen others.