Shillingburg; Curtis W.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Shillingburg; Curtis W..The latest application filed is for "construction block".
- Shillingburg; Curtis W. - Rock Hill SC
| Patent | Date |
|---|---|
| Modular wall block with block-locating jut and shear lug Grant 8,371,086 - Shillingburg February 12, 2 | 2013-02-12 |
| Modular wall block with block-locating jut and shear lug Grant 8,141,315 - Shillingburg March 27, 2 | 2012-03-27 |
| Construction block App 20060101762 - Shillingburg; Curtis W. | 2006-05-18 |
| Construction block faces Grant D509,911 - Shillingburg September 20, 2 | 2005-09-20 |
| Construction block Grant D508,739 - Shillingburg August 23, 2 | 2005-08-23 |
| Modular wall block with mechanical course connector Grant 6,701,687 - Shillingburg March 9, 2 | 2004-03-09 |
| Modular wall block with mechanical anchor pin Grant 6,622,445 - Shillingburg , et al. September 23, 2 | 2003-09-23 |
| Retaining wall block App 20010004822 - Martin, James S. ; et al. | 2001-06-28 |
| Wall block Grant D405,543 - Shillingburg February 9, 1 | 1999-02-09 |
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