Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5199116 | High-efficiency portable spa | — | 1993-04-06 |
| D305504 | Fuel can | John R. Elmburg | 1990-01-16 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5199116 | High-efficiency portable spa | — | 1993-04-06 |
| D305504 | Fuel can | John R. Elmburg | 1990-01-16 |