Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6398458 | MORTARLESS RETAINING WALL STRUCTURE WITH IMPROVED LATERAL AND LONGITUDINAL REINFORCEMENT FOR A VERTICAL, SET FORWARD AND/OR SET BACK RETAINING WALL IN WHOLE OR IN PART CONSTRUCTED BY UTILIZING STANDARDIZED BLOCKS | Paul Pignatelli | 2002-06-04 |
| 6178715 | Mortarless retaining wall structure with improved lateral and longitudinal reinforcement for a vertical, set forward and/or set back retaining wall in whole or in part constructed by utilizing standardized blocks | Paul Pignatelli | 2001-01-30 |