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Patent applications and USPTO patent grants for March; Patrick A..The latest application filed is for "method and apparatus for monitoring hydroelectric facility maintenance and environmental costs".
Patent | Date |
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Method and apparatus for monitoring hydroelectric facility maintenance and environmental costs Grant 6,490,506 - March December 3, 2 | 2002-12-03 |
Control system for enhancing fish survivability in a hydroelectric power generation installation Grant 6,357,389 - March , et al. March 19, 2 | 2002-03-19 |
Method and apparatus for monitoring a hydroelectric facility trash rack and optimizing performance Grant 6,269,287 - March July 31, 2 | 2001-07-31 |
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