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System and method for adding and defining perfectly matched layers for a model of a physical system |
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System and method for aggregating and analyzing financial data |
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Apparatus and method for defining coupled systems on spatial dimensions and extra dimensions |
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Optimization of retransmission timeout boundary |
Stan McClellan, Wuxu Peng |
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Method for correcting subscriber-based secure call keys |
John M. Gilbert |
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| 4463220 |
Drill bit for forming a fluid cushion between the side of the drill bit and the side wall of a bore hole |
— |
1984-07-31 |
| 4359111 |
Self compensating seal apparatus |
— |
1982-11-16 |
| 4351402 |
Body structure and nozzle for enhancing the flow of drilling fluid in a rotary drill bit |
— |
1982-09-28 |
| 4328873 |
Automatic depth compensating system for drill bit lubrication |
— |
1982-05-11 |
