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2016-05-10 |
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2014-01-14 |
| 8540005 |
Apparatus and method for monitoring and controlling a covering for an architectural opening |
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Methods for forming and cleaning photolithography reticles |
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Method and system for removal of contaminates from phaseshift photomasks |
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Method and system for removal of contaminates from phaseshift photomasks |
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— |
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Frequency-controlled optical switch |
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Tennis racket cover and bag with measuring strap |
— |
1991-12-10 |
