Common things used by us..Innovations.

• Rubber bands were fitst made by Perry and Co. of London in 1845.
• Charles Gould invented the stapler in 1868 for use in bookbinding.
• A vaccum flask was demonstrated in 1892 by the Scottish physicist James Dewar. His mother in law remained sceptical of a flask made for his son in 1902 and knitted a wollen cosy for it to make sure that its contrnts remained warm.
• Vaccum flasks were first marketed in1902 by the German Reinhold who held a competition to name the invention. The winning entry was Thermos, the Greek word for'hot'.
• In 1900 the Norwegian Johann Vaaler patented the paperclip.
• The aerosol can was invented by another Norwegian, Eric Rotheim, but the idea was not developed commercially until 1941. when Lyle Goodhue and William Sullivan took a patent in the USA. They saw the spray can as an ideal container for insectisides.