Risi; Antonio
Patent Applications and Registrations
Patent applications and USPTO patent grants for Risi; Antonio.The latest application filed is for "retaining wall block".
- Risi; Antonio - Richmond Hill CA
- Risi; Antonio - Gormley CA
| Patent | Date |
|---|---|
| Retaining wall block Grant D466,229 - Risi , et al. November 26, 2 | 2002-11-26 |
| Retaining wall block Grant D464,440 - Risi , et al. October 15, 2 | 2002-10-15 |
| Retaining wall block Grant D464,149 - Risi , et al. October 8, 2 | 2002-10-08 |
| Modular block Grant D403,785 - Risi , et al. January 5, 1 | 1999-01-05 |
| Modular block Grant D403,437 - Risi , et al. December 29, 1 | 1998-12-29 |
| Retaining wall blocks Grant 5,622,456 - Risi , et al. April 22, 1 | 1997-04-22 |
| Retaining wall block Grant D370,272 - Risi , et al. May 28, 1 | 1996-05-28 |
| Connector for use in combination with blocks for wall structures or the like Grant 5,248,226 - Risi , et al. September 28, 1 | 1993-09-28 |
| Embankment reinforcing structures Grant 5,064,313 - Risi , et al. November 12, 1 | 1991-11-12 |
| Modular block Grant D305,938 - Risi , et al. February 6, 1 | 1990-02-06 |
| Reversible modular coping block Grant D299,069 - Risi , et al. December 20, 1 | 1988-12-20 |
| Module for walls and free standing structure Grant 4,601,148 - Risi , et al. July 22, 1 | 1986-07-22 |
| Module for walls and free standing structures Grant D284,308 - Risi , et al. June 17, 1 | 1986-06-17 |
| Stretcher for cribbing Grant D280,024 - Risi , et al. August 6, 1 | 1985-08-06 |
| Header for cribbing Grant D279,030 - Risi , et al. May 28, 1 | 1985-05-28 |
| Retaining wall system Grant 4,490,075 - Risi , et al. December 25, 1 | 1984-12-25 |
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