Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4876505 | Apparatus and method for monitoring steam turbine shroud clearance | — | 1989-10-24 |
| 4851949 | Brush bounce detection in active shaft ground system | Thomas A. Lemak, Michael Twerdochlib | 1989-07-25 |