Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D365519 | Tamper-resistant cap seal for drum-type containers | William Welch | 1995-12-26 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D365519 | Tamper-resistant cap seal for drum-type containers | William Welch | 1995-12-26 |