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Dale R. Langer
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Raleigh, NC, US
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last 30 patents
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Patent Grant
Uninterrupted power supply (UPS) system interfacing with communicat...
Patent number
5,381,554
Issue date
Jan 10, 1995
Exide Electronics
Dale R. Langer
G06 - COMPUTING CALCULATING COUNTING
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Patent Grant
UPS system with improved network communications
Patent number
5,319,571
Issue date
Jun 7, 1994
Exide Electronics
Dale R. Langer
G06 - COMPUTING CALCULATING COUNTING