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 |
| 5082980 | Process and apparatus for synthesizing oxygen-15 labelled butanol for positron emission tomography The present invention is directed to a process and apparatus for synthetically producing 15 O-labeled butanol for position emission tomography. A procedure and apparatus have been developed for the routine rapid and sequential synthesis of oxyg... | 01/21/1992 |
