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Patent applications and USPTO patent grants for Coffey; David W..The latest application filed is for "bang-bang laser spot tracker".
Patent | Date |
---|---|
Bang-bang laser spot tracker Grant 6,097,481 - Coffey , et al. August 1, 2 | 2000-08-01 |
Crystals for ultraviolet light filters Grant 5,788,765 - Singh , et al. August 4, 1 | 1998-08-04 |
High Efficiency Power Supply For Charging Capacitors In Steps Grant 3,654,537 - Coffey April 4, 1 | 1972-04-04 |
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