Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6019593 | Integrated gas burner assembly | Troy R. Lewandowski | 2000-02-01 |
| 5045103 | Apparatus for heating and bending glass sheets | Harold A. McMaster | 1991-09-03 |
| 5032163 | Horizontal flame burner for furnace floor radiant heater | — | 1991-07-16 |
| 5022911 | Gas fired radiant heater for furnace floor | — | 1991-06-11 |
| 4957531 | Apparatus for heating bending and quenching glass sheets | Harold A. McMaster | 1990-09-18 |