Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D388698 | Container | — | 1998-01-06 |
| 5689929 | Earthquake and weather resistant, fail-safe construction block | — | 1997-11-25 |
| 5454960 | Oil change and recycling system | — | 1995-10-03 |
| D346666 | Container block | — | 1994-05-03 |
| 5058357 | Construction blocks | — | 1991-10-22 |
| 5035098 | Container block | — | 1991-07-30 |
| 4903453 | Construction blocks | — | 1990-02-27 |