Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4451381 | Composite plug for stake-hole of salt blocks, salt block product, and method of using same | John F. Heiss | 1984-05-29 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4451381 | Composite plug for stake-hole of salt blocks, salt block product, and method of using same | John F. Heiss | 1984-05-29 |