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 |
| 6120675 | Electrochemical method and electrode An electrochemical electrode of a tube of porous titanium suboxide with a contact connection to an electrical supply.... | 09/19/2000 |
| 5296121 | Target electrode for preventing corrosion in electrochemical cells In an electrolyzer system having metallic supply and discharge piping subjected to shunt currents, the improvement which comprises a removable target electrode in the section of said piping subjected to said shunt currents, said target electrode having a ... | 03/22/1994 |
| 4442903 | System for installing continuous anode in deep bore hole A method and apparatus for installing continuous anodes in deep bore holes in order to cathodically protect underground metal structures situated adjacent said bore holes. The system is readily adapted to be used with either replaceable or non-replaceable... | 04/17/1984 |
| 4420382 | Method for controlling end effect on anodes used for cathodic protection and other applications `Necking` of elongated cathodic protection anodes is obviated or reduced by means of a nonconductive shield placed around the periphery of the anode, but spaced away from the surface of the anode at the end at which it is connected to a conductor cable. T... | 12/13/1983 |
| 4136001 | Non-sacrificial anode and water heater construction Non-sacrificial anode for use in a hot water heater has a single elongated electrically conductive wire extending within the interior of the water heater tank. Anode distribution points made of platinum coated tantalum are attached to the conductive wire ... | 01/23/1979 |
