Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4602248 | Electrical atmospheric pressure alarm | Michael Foster, Harold L. Foster | 1986-07-22 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4602248 | Electrical atmospheric pressure alarm | Michael Foster, Harold L. Foster | 1986-07-22 |