| 11896856 |
High pressure air cylinders for use with self-contained breathing apparatus |
William E. Parson, Ronald B. Mele |
2024-02-13 |
| 11896855 |
High pressure air cylinders for use with self-contained breathing apparatus |
William E. Parson, Ronald B. Mele |
2024-02-13 |
| 11471709 |
High pressure air cylinders for use with self-contained breathing apparatus |
William E. Parson, Ronald B. Mele |
2022-10-18 |
| 11376448 |
High pressure-air cylinders for use with self-contained breathing apparatus |
William E. Parson, Ronald B. Mele |
2022-07-05 |
| 11273332 |
High pressure air cylinders for use with self-contained breathing apparatus |
William E. Parson, Ronald B. Mele |
2022-03-15 |
| 10029130 |
High pressure air cylinders for use with self-contained breathing apparatus |
William E. Parson, Ronald B. Mele |
2018-07-24 |
| 10016629 |
High pressure air cylinders for use with self-contained breathing apparatus |
William E. Parson, Ronald B. Mele |
2018-07-10 |
| 10016628 |
High pressure air cylinders for use with self-contained breathing apparatus |
William E. Parson, Ronald B. Mele |
2018-07-10 |
| 10016630 |
High pressure air cylinders for use with self-contained breathing apparatus |
William E. Parson, Ronald B. Mele |
2018-07-10 |
| 10016631 |
High pressure air cylinders for use with self-contained breathing apparatus |
William E. Parson, Ronald B. Mele |
2018-07-10 |
| 9860459 |
Signaling device for an obscured environment |
Wesley M. Barbee, Richard J. Sabacinski |
2018-01-02 |
| 9004068 |
High pressure air cylinders for use with self-contained breathing apparatus |
William E. Parson, Ronald B. Mele |
2015-04-14 |
| 7748380 |
Combined air-supplying/air-purifying system |
William E. Parson, Judge W. Morgan, III, Robert Daniel Williams |
2010-07-06 |
| 7658190 |
Portable air-purifying system utilizing enclosed filters |
William E. Parson, Judge W. Morgan, III, Robert Daniel Williams |
2010-02-09 |