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 |
| 6561658 | Automobile door mirror A rotation restricting structure of an automobile door mirror, in which a shaft is erected on the top surface of a projection portion of a mirror base, and in which a frame for supporting a mirror body is turnably fitted onto the shaft, wherein a stopper ... | 05/13/2003 |
| 4877214 | Holding device of mirror element for rearview mirror A holding device of a mirror element for rearview mirror includes an actuator unit for tiltably inclining a mirror, and a mirror element mounted through a pivot plate on the actuator unit. The mirror element has a mirror plate and a mirror holder, and an ... | 10/31/1989 |
| 4815837 | Actuator unit housing for rearview mirror The actuator unit housing for a rearview mirror includes two electric motors for tilting a mirror element in an actuator unit, and a drive transmission, and means for foldably supporting a mirror element on the upper surface of the actuator housing. A gui... | 03/28/1989 |
