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Patent applications and USPTO patent grants for Hartel; Joel Andrew.The latest application filed is for "apparatus and method for using laser guides to identify the source of sound waves".
Patent | Date |
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Apparatus and method for using laser guides to identify the source of sound waves Grant 10,359,517 - Hartel | 2019-07-23 |
Unsafe work condition temperature alerts in portable gas detectors Grant 10,074,255 - Prabhakar , et al. September 11, 2 | 2018-09-11 |
Apparatus And Method For Using Laser Guides To Identify The Source Of Sound Waves App 20180067211 - HARTEL; Joel Andrew | 2018-03-08 |
Unsafe Work Condition Temperature Alerts In Portable Gas Detectors App 20170154509 - Prabhakar; Dileepa ;   et al. | 2017-06-01 |
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