Hunters who invented the copper jacketed bullet??

Question

What year was it invented? Where was it invented?

Answer 1

". . . . The Swiss were fortunate in having one of Europe's foremost proponents of smallbore jacketed bullets in their army. In 1881 Major, later Colonel, Eduard Rubin, the director of the state munitions factory in Thurn, proposed the adoption of a cartridge with a copper-jacketed bullet of his design.  

In 1883 he submitted cartridges of 7.5 and 8mm caliber to the Swiss army that used copper jacketed bullets and were loaded with compressed blackpowder . . . . . "

Answer 2

Major Rubin of the Swiss Army in 1883 and the Swiss Army were the first to use it.