Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8356821 | Shaft seal assembly for hydrogen cooled turbine generator | David M. Freal, John M. Nemeth | 2013-01-22 |
| 7432620 | Seal assembly for a hydrogen-cooled electric power generator with interface impervious to location of plant piping | David M. Freal, Samuel R. Farley | 2008-10-07 |