Issued Patents 1994
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5308058 | Mailbox security door with automatic set lifter | Barry P. Mandel, Richard A. Van Dongen, Harold Halvorson, Jr. | 1994-05-03 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5308058 | Mailbox security door with automatic set lifter | Barry P. Mandel, Richard A. Van Dongen, Harold Halvorson, Jr. | 1994-05-03 |