Issued Patents 2022
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11471709 | High pressure air cylinders for use with self-contained breathing apparatus | Jerry A. Phifer, Ronald B. Mele | 2022-10-18 |
| 11376448 | High pressure-air cylinders for use with self-contained breathing apparatus | Jerry A. Phifer, Ronald B. Mele | 2022-07-05 |
| 11273332 | High pressure air cylinders for use with self-contained breathing apparatus | Jerry A. Phifer, Ronald B. Mele | 2022-03-15 |