Patent applications and USPTO patent grants for Jagna Ltd..The latest application filed is for "split key segmental retaining wall system".
Patent | Date |
---|---|
Split key segmental retaining wall system Grant 7,059,808 - Risi June 13, 2 | 2006-06-13 |
Split key segmental retaining wall system App 20050274085 - Risi, Angelo | 2005-12-15 |
Wall retaining block Grant D512,162 - Risi November 29, 2 | 2005-11-29 |
Retaining wall block Grant D511,579 - Risi , et al. November 15, 2 | 2005-11-15 |
Retaining wall block Grant D510,144 - Risi , et al. September 27, 2 | 2005-09-27 |
Retaining wall block Grant D509,910 - Risi , et al. September 20, 2 | 2005-09-20 |
Paving or border brick Grant D509,596 - Cant September 13, 2 | 2005-09-13 |
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