Did You Know...
...that while attempting to develop a super strong glue, 3M employee Spencer Silver accidentally developed a glue that was so weak it would barely hold two pieces of paper together? However, his colleague Art Fry needed the glue. Fry sang with his church choir and marked the pages of his hymnal with small scraps of paper that often fell out. He used Silver's glue to hold the papers in place. Today we call this invention Post-it Notes.
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| Number | Title | Issue Date |
| 7130814 | Method and apparatus to automate consumer replenishment shopping by periodicity According to the present invention, a method to automate the replenishment of one or more items on a shopping list. The method comprising the steps of storing data representing an inventory of items for sale at the e-commerce site; storing one or more shopping lists... | 10/31/2006 |
| 5054605 | Flexible drive conveyor system There is provided a conveyor system for conveying items and including a carrier for such items to be moved between at least two spaced-apart stations and a first guide track extending between the spaced apart stations. A flexible drive tape having a leadi... | 10/08/1991 |
