 After that, he developed tools to produce the choke bore profile correctly and smoothly.The system of choke boring that he pioneered was so successful that it was later adopted by other manufacturers and hence, some authorities give him the credit for inventing the concept, since his method became the first repeatable method of choke boring.William Wellington Greener is thus widely credited as being the inventor of the first practical choke, as documented in his classic 1888 publication, "The Gun and its Development".