Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7225643 | Recirculation bubbler for glass melter apparatus | Dennis F. Bickford | 2007-06-05 |
| 6489707 | Method and apparatus for generating acoustic energy | — | 2002-12-03 |
| 4950986 | Magnetic proximity sensor for measuring gap between opposed refiner plates | — | 1990-08-21 |
| 4826217 | Apparatus and method for sealing a tube joint | — | 1989-05-02 |
| 4611813 | Method of and apparatus for providing an annular seal | — | 1986-09-16 |