Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D378490 | pull bar door handle with hook | Frank J. Campbell | 1997-03-18 |
| 5603184 | Sliding door latch having sanitary hook | Frank J. Campbell | 1997-02-18 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D378490 | pull bar door handle with hook | Frank J. Campbell | 1997-03-18 |
| 5603184 | Sliding door latch having sanitary hook | Frank J. Campbell | 1997-02-18 |