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 |
| 5012923 | Subdivided flare-holding container A subdividing structure is fitted and secured within and disposed at the bottom of a carton, box, package of similar container structure to receive and position within the container road flares for transportation storage and use. The subdividing structure... | 05/07/1991 |
| 4923058 | Container for storing and displaying baby teeth A container includes a hollow body and a hinged cover. An insert in the body is formed with twenty upwardly opening pockets for receiving a set of twenty baby teeth. The pockets are sized in accordance with the size of the different types of teeth. In add... | 05/08/1990 |
| 4037722 | Protective packaging for bottles A protective packaging for bottles having different neck lengths includes a support block having circular recesses that receive the bottle bottoms, and a unitary, box-shaped bottle-neck-receiving retainer. The retainer has a flat bottom which serves as a ... | 07/26/1977 |
| 3990035 | Housing configuration for high resolution sonar A hydrodynamically streamlined, towable sonar apparatus is described charerized by a housing, including a central frame having a circular planar web portion from which extend a plurality of annular coaxial ribs which cooperate with similar ribs extending... | 11/02/1976 |
| 3955704 | Storage device An article storage device intended especially but not exclusively for use in storing the rotor assemblies of electric motors and comprising a block formed with a plurality of recesses each adapted to receive an article to be stored and each having a close... | 05/11/1976 |
