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Patent applications and USPTO patent grants for Opel; Rod A..The latest application filed is for "user interface and system to facilitate telephone circuit maintenance and testing".
Patent | Date |
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User interface and system to facilitate telephone circuit maintenance and testing Grant 7,974,385 - Jones , et al. July 5, 2 | 2011-07-05 |
User interface and system to facilitate telephone circuit maintenance and testing App 20040062359 - Jones, William R. ;   et al. | 2004-04-01 |
User interface and system to facilitate telephone circuit maintenance and testing Grant 6,687,335 - Jones , et al. February 3, 2 | 2004-02-03 |
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