Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5235667 | Heating method and assembly utilizing electric heating elements in conjunction with combustion | David Jacobson | 1993-08-10 |
| RE32497 | Glass furnace with heat sensing means | — | 1987-09-08 |
| 4608073 | Roller conveyor for a glass furnace | James H. Ford | 1986-08-26 |
| 4601743 | Glass furnace with heat sensing means | — | 1986-07-22 |
| 4531047 | Clip-mounted quartz tube electric heater | Joseph Gialanella | 1985-07-23 |
| 4528016 | Glass sheet treating furnace with a roller conveyor | — | 1985-07-09 |