Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5050356 | Immured foundation | Mark S. Johnson | 1991-09-24 |
| 4999966 | "Method of forming an-before ""immured""" | Mark S. Johnson | 1991-03-19 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5050356 | Immured foundation | Mark S. Johnson | 1991-09-24 |
| 4999966 | "Method of forming an-before ""immured""" | Mark S. Johnson | 1991-03-19 |