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 |
| 5279628 | Fire starting survival tool and method of using same A fire starting kit is configured for easy lighting of fires, particularly by those involved in camping and other outdoor activities. The fire starting kit includes an elongated hollow case having a first casing section and a second casing section which f... | 01/18/1994 |
| 4199325 | Inhibiting spontaneous combustion of coal A method of inhibiting the spontaneous combustion of coal which comprises treating coal with carbon dioxide to deactivate the surface of the coal to oxygen.... | 04/22/1980 |
| 4143761 | Safety match book A safety match book having a flexible cover enclosing a plurality of matchsticks each having an end tearably fastened to at least one binding strip; a match striking surface formed on an interior surface of the match book cover normally abutting one bindi... | 03/13/1979 |
