Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5156036 | Method and apparatus for drawing open-sided channel members | — | 1992-10-20 |
| 5000378 | Intrusion-secure mail box | Ray M. Dorr | 1991-03-19 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5156036 | Method and apparatus for drawing open-sided channel members | — | 1992-10-20 |
| 5000378 | Intrusion-secure mail box | Ray M. Dorr | 1991-03-19 |