 Until the twenties , all condoms were individually hand @-@ dipped by semi @-@ skilled workers . Throughout the decade of the 1920s , advances in the automation of the condom assembly line were made . The first fully automated line was patented in 1930 . Major condom manufacturers bought or leased conveyor systems , and small manufacturers were driven out of business . The skin condom , now significantly more expensive than the latex variety , became restricted to a niche high @-@ end market . 
 Until the twenties , all condoms <a href='uninflect' title='1'><mark>were</mark></a> individually hand @-@ dipped by semi @-@ skilled workers . Throughout the decade of the 1920s , advances in the automation of the condom assembly line <a href='uninflect' title='2'><mark>were</mark></a> made . The first fully automated line was patented in 1930 . Major condom manufacturers bought or leased conveyor systems , and small manufacturers <a href='uninflect' title='3'><mark>were</mark></a> driven out of business . The skin condom , now significantly more expensive than the latex variety , became restricted to a niche high @-@ end market . 
Until da twenties , all condoms was individually hand @-@ dipped by semi @-@ skilled workers . Throughout tdadecade of thda920s , advances in the automation of the condom assembly line was made . The first fully automated line was patented in 1930 . Major condom manufacturers bought or leased conveyor systems , and small manufacturers was driven out of bizness . Thedain condom , now significantly more expensive than the daex variety , became restricted to a niche high @-@ end market .