Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7025579 | Bearing system for high-speed rotating machinery | William E. Woollenweber | 2006-04-11 |
| 6340441 | Multi-layer guide wire and method of manufacture therefor | Maura Rooney, Richard J. Quigley, Thomas F. Mirarchi | 2002-01-22 |
| 4815184 | Method of fabricating a turbocharger water-cooled bearing housing | Andrew E. Johnston, Ronald Miller | 1989-03-28 |
| 4704075 | Turbocharger water-cooled bearing housing | Andrew E. Johnston, Ronald Miller | 1987-11-03 |
| 4504187 | Turbocharger method of operation and turbine housing therefor | Hugh MacInnes, Andrew E. Johnston, John Fort | 1985-03-12 |