optimist
someone who looks on the bright side
How does an Inventor qualify for a patent
The invention must work and be a new idea
pessimist
someone who sees the bad instead of the good side of things
persistence
not giving up
imagination
thinking of new ways to do things
curiosity
wanting to know more about something
Eli Whiteny
invented cotton gin
James Watt
horsepower
samuel applegate
invented the cork alarm clock
lewis waterman
invented the fountain pen