Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8371049 | Ripper blade for use on hydraulic arm and method for storage tank demolition | Raymond Y. Tajiri | 2013-02-12 |
| 7587842 | Method for storage tank demolition | Raymond Y. Tajiri | 2009-09-15 |