Issued Patents 2002
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6453774 | Tool for removing roofing shingles | — | 2002-09-24 |
| 6357120 | Front-loading adjustable safety utility knife with safety quick-release lock | Qui Jian Ping | 2002-03-19 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6453774 | Tool for removing roofing shingles | — | 2002-09-24 |
| 6357120 | Front-loading adjustable safety utility knife with safety quick-release lock | Qui Jian Ping | 2002-03-19 |