-
Telescope
Hans lippershey -
Cotton gin
Eli Whitney -
steam locomotive
Geoge Stepson -
Photography
Joeseph Nice -
sewing machine
French Tailor -
Safety pin
Walter Hunt -
Dynamite
Alfed Nobel -
telephone
Alexandern Graham -
Zipper
White combljudson -
air conditioning
Willis itauiland -
airplane
William Uincorn -
television
Philo Fansworth -
Tape recorder
valdenar poulson -
Atomic bomb
Robelt oppenherer -
Compact Disc
Elwood p. Wood