Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4350141 | Blow back prevention apparatus for a wood-burning stove | — | 1982-09-21 |
| D254455 | Mailbox | Alexander M. Cornwell, Jr. | 1980-03-11 |
| 4190192 | Theft preventing outdoor mailbox | Alexander M. Cornwell, Jr. | 1980-02-26 |