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 |
| 4516414 | Security locking device for outdoor water faucets This locking device is for outdoor water faucets, and serves to prevent unauthorized use of such faucets. Primarily, it includes a main body or housing, which fits over the handle of the faucet, and is locked in place by a padlock. It further includes a s... | 05/14/1985 |
