Hornabrook; Angus Nelson
Patent Applications and Registrations
Patent applications and USPTO patent grants for Hornabrook; Angus Nelson.The latest application filed is for "apparatus and methods for assessment, evaluation and grading of gemstones".
- Hornabrook; Angus Nelson - Clagiraba N/A AU
- Hornabrook; Angus Nelson - Queensland AU
| Patent | Date |
|---|---|
| Modified apparatus and method for assessment, evaluation and grading of gemstones Grant 9,222,893 - Hornabrook , et al. December 29, 2 | 2015-12-29 |
| Apparatus and methods for assessment, evaluation and grading of gemstones Grant 8,436,986 - Hornabrook , et al. May 7, 2 | 2013-05-07 |
| Apparatus And Methods For Assessment, Evaluation And Grading Of Gemstones App 20100111354 - Hornabrook; Graham Alfred ; et al. | 2010-05-06 |
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