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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| Application No. | Application Title | Issue Date |
| 20100046133 | RELAY DEVICE A relay device includes mechanical relays, a first bus bar, a second bus bar, and a relay drive circuit. The relay includes a coil, a moving contact whose position changes according to whether the coil is energized, a load terminal conductive to the contact and connecte... | 02/25/2010 |
| 20100033275 | WORLDWIDE ADAPTIVE MULTI-COIL AUTOMATIC TRANSFER SWITCH A multi-coil automatic transfer switch (ATS) adapted for automatically switching an appropriately rated component to render the ATS operational over a worldwide voltage range is provided. A low voltage contactor includes a low voltage coil magnetically linked with a nor... | 02/11/2010 |
| 20070242408 | Three wire drive/sense for dual solenoid A dual-acting solenoid, consisting of one armature moving between two latching positions against two yokes with two drive windings, is interconnected to bring out three wire terminations: a center and two ends. The electronic drive circuitry is similarly configured for ... | 10/18/2007 |
