who is the inventor of Zippers , the pistol , Tank, Parachute , Motorcycle

who is the inventor of  ........



Zippers  was invented by Hoatkom at 1893,was American
the pistol was invented by Samuel Colt at 1835,was American

Tank was invented by Ernst Soneton at 1914 ,was English
Motorcycle (motorcyclist) was invented by Eugene and Michelle Warner at 1897, were French
Microscope  was invented by Anthony Van Evinhok  at  1683 ,was Dutch
Stethoscope was invented by Rene Winnick  at 1683  French 1818

Parachute was invented by Jean-Pierre Blanchard  at 1785 , was French
telegraph was invented by Samuel Morse at 1835, was American