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Art Fry was born
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Spencer Silver was born
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Art Fry started working at 3m company
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Spencer earned a degree at Arizona State Universty
month and day not known -
Spencer earned doctorate in organic chemistry U.C
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Spencer became senior chemist at 3m company
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invented glue
The month and day not known -
invented low tack adhesive
Month and day not known -
Art used adhesive
The date and month not know -
made removable bookmarkes
month and day not known -
the first name was press and peel pods
month and day not known -
introduced post it note
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$100Mill
monthand day not known -
Art Fry honored with company's top technical title
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Art Fry retired
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Spencer retired
month and day not known -
Billion dollars in sales
month and day not known -
3m compiney lonched new version fo post it notes
the glue was more sticky -
post it notes soled in 100 countries
