Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7748380 | Combined air-supplying/air-purifying system | Jerry A. Phifer, William E. Parson, Judge W. Morgan, III | 2010-07-06 |
| 7658190 | Portable air-purifying system utilizing enclosed filters | Jerry A. Phifer, William E. Parson, Judge W. Morgan, III | 2010-02-09 |