Famous Patents
3M employee and church chorister Art Fry needed something to temporarily mark pages in his hymnal. He was in luck because his colleague, Spencer Silver, accidentally developed a glue that was too weak for other purposes. After initially discouraging consumer response, Post-it Notes became a hit in 1979.
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| Application No. | Application Title | Issue Date |
| 20110057091 | All-optical integrated photonic clock An all-optical integrated photonic clock, systems employing the same, and methods of making and using the same. Illustrative examples are provided based on silicon semiconductor technology that employs rectangular waveguides fabricated on SOI wafers. In some embodiments... | 03/10/2011 |
| 20080277568 | Traffic Sensing and Monitoring Apparatus Traffic sensing and monitoring apparatus (100) comprises a length of optical fibre (112), means (102, 103, 104, 106, 107, 109, 119) arranged to introduce a series of pulse pairs into an input end of the length, each of the pulse pairs comprising fir... | 11/13/2008 |
| 20070272838 | LIGHT SOURCE AND LIGHT SOURCE SYSTEM A light source includes: a light source system includes: a light source unit producing a first pulsed light beam having a plurality of frequency components; a splitter splitting the first pulsed light beam into second and third pulsed light beams; a first photonic cryst... | 11/29/2007 |
