Issued Patents 2025
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D1094903 | Welding attachment for a respirator | John M. Pilgrim, David M. Castiglione | 2025-09-23 |
| D1070746 | Dock for respiratory sensing devices | Thomas Meier, Michael E. Hamerly | 2025-04-15 |