...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 |
| 6761223 | Flexible horseshoes formable in situ A hoof shoe having a locus of flexing through spaced resin portions across interruptions is applied or formed in situ. The method includes cleaning the surface of the shoe area of the horse hoof of debris, applying preshaped resin portions arranged in a horseshoe pa... | 07/13/2004 |
| 6505686 | In situ horseshoeing A hoof shoe formed in situ and a method for building a hoof shoe, such as a horseshoe, of an intended shape in situ are disclosed, including cleaning the surface of the shoe area of horse hoof of debris, extruding onto the cleaned hoof surface from a comm... | 01/14/2003 |
| 6497292 | In Situ horseshoeing A hoof shoe formed in situ and a method for building a hoof shoe, such as a horseshoe, of an intended shape in situ are disclosed, including cleaning the surface of the shoe area of the horse hoof of debris, depositing a malleable mass of resin onto the c... | 12/24/2002 |
| 6412566 | Horse hoof protection Horse hoof protection is obtained by incorporating a synthetic organic resin such as a urethane resin in the volume defined by the horse hoof bottom wall, suitably covered with a web fixed to the hoof bottom wall that is adhered to the resin. The resin pr... | 07/02/2002 |
| 6131665 | Method of protecting a horse's hoof and product Horse hoof protection is obtained by incorporating a synthetic organic resin such as a urethane resin in the volume defined by the horse hoof bottom wall, suitably covered with a web fixed to the hoof bottom wall that is adhered to said resin. The resin p... | 10/17/2000 |