Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8979559 | Lockout tagout plug sleeve | Alvah Benjamin Aldrich, Daniel Robert Treible, Jr. | 2015-03-17 |
| D682660 | Lockout tagout plug sleeve | Alvah Benjamin Aldrich, Daniel Robert Treible, Jr. | 2013-05-21 |