Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7339488 | Threshold having safety lights | John William Pennington, Jr. | 2008-03-04 |
| 4209029 | Method of and apparatus for sealing a leak in a pipeline | — | 1980-06-24 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7339488 | Threshold having safety lights | John William Pennington, Jr. | 2008-03-04 |
| 4209029 | Method of and apparatus for sealing a leak in a pipeline | — | 1980-06-24 |