Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4643645 | Stage for a steam turbine | Kenneth E. Robbins, Stephen G. Ruggles, John C. Williams, Stephen K. Tung, William James Sumner +1 more | 1987-02-17 |
| 4616975 | Diaphragm for a steam turbine | — | 1986-10-14 |