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women's t-shirts pen women's t-shirts 1941 women's t-shirts american women's t-shirts application women's t-shirts ballpoint pen women's t-shirts biro women's t-shirts carousel collection women's t-shirts cross section women's t-shirts diagram women's t-shirts document women's t-shirts hungarian women's t-shirts idea women's t-shirts invention women's t-shirts mid women's t-shirts patent women's t-shirts

photographs pen photos 1941 photos american photos application photos ballpoint pen photos biro photos carousel collection photos cross section photos diagram photos document photos hungarian photos idea photos invention photos mid photos patent photos

BALLPOINT PEN, 1941. Drawing from the U.S. patent application of Hungarian inventor László Biró for his fountain pen, the first commercially successful ballpoint pen, 1941.