Hardy; Derek
Patent Applications and Registrations
Patent applications and USPTO patent grants for Hardy; Derek.The latest application filed is for "archway measuring device".
- Hardy; Derek - Calgary Alberta CA
- Hardy; Derek - Santa Ana CA
| Patent | Date |
|---|---|
| Archway measuring device Grant 7,793,421 - Hardy September 14, 2 | 2010-09-14 |
| Archway measuring device App 20090272000 - Hardy; Derek | 2009-11-05 |
| Golf training and practice device Grant 4,736,952 - Taft , et al. April 12, 1 | 1988-04-12 |
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