Quotables
"Everyone acquainted with the subject will recognize it as a conspicuous failure."
Henry Morton, president of the Stevens Institute of Technology ; Said in 1880 about the light bulb
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| Number | Title | Issue Date |
| 7910842 | EL light emitting touch switch A touch switch is composed of an EL light emitting layer configured by stacking a fluorescent layer and an insulation layer between first electrodes and a second electrode, a judgment unit for making a judgment on touch manipulation with the first electrode by an op... | 03/22/2011 |
| 6822584 | Morse code key using a strain gauge The inventive code key comprises a bendable element and a strain gauge connected to the bendable element. The strain gauge changes resistance when the bendable element is moved. ... | 11/23/2004 |
| 4042090 | Key top A key top comprises a key top base comprising a side portion and a top portion having a specified color, a colored portion provided at a part of the top portion and having a color different from the specified color of the top portion, and, a protective la... | 08/16/1977 |
