Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4710095 | Turbomachine airflow temperature sensor | William R. Spencer | 1987-12-01 |
| 4341483 | Adjustable connecting apparatus | William R. Spencer | 1982-07-27 |
| 4230439 | Air delivery system for regulating thermal growth | Joseph P. Smith, Robert L. Mentzer | 1980-10-28 |