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 |
| 6282741 | Portable golf ball cleaning device A golf ball cleaning device carried by the user for the purpose of cleaning his or her golf ball prior to "teeing of" or putting. The device consists of a plastic spray bottle, a towel or cloth, which is removable, attached to the bottle and device for fa... | 09/04/2001 |
| 6158885 | Thermocouple-to-extension wire ambient temperature error correction device The invention relates to a device for correcting error in temperature readings caused by thermocouple-to-extension wire ambient temperature fluctuations. The device creates an isothermal mass which raises the temperature of terminals to higher than ambien... | 12/12/2000 |
| 6155297 | Spout controlled mixing valve mechanism An improved ball valve mechanism requiring no handle for the direction and intermixing of two or more liquids. Control of liquid volume, admixing and directional output is accomplished by manipulating the spout itself which acts both as the liquid outlet ... | 12/05/2000 |
