Issued Patents 1994
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5364431 | Apparatus for production of glass fibers utilizing spinning cup structure | Cenek A. Kottnauer | 1994-11-15 |
| 5331955 | Air tank adapter for converting a self-contained breathing apparatus to a self-contained underwater breathing apparatus | — | 1994-07-26 |
| 5314521 | Method and apparatus for production of glass fibers utilizing spinning cup structure | Cenek A. Kottnauer | 1994-05-24 |
| 5283803 | Electrode assembly for glass melting furnace | Cenek A. Kottnauer | 1994-02-01 |