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 |
| 6044872 | Fence clip installer Embodiments of a fence clip installing tool and methods of using it are described. The preferred tool uses a stack of connected fence clips which are loaded in advance for semi-automatic multiple clip installations. Upon actuation, the tool places the sim... | 04/04/2000 |
| 5517813 | Method for forming twisted cord elements A method for twisting an elongated cord member to form a permanently twisted cord element is preferably performed utilizing an apparatus which includes first and second end units, first and second securing and twisting assemblies for securing opposite end... | 05/21/1996 |
