Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4949665 | Installation for coating and drying both sides of printed circuit boards | — | 1990-08-21 |
| 4871584 | Process of coating and drying both sides of printed circuit boards | — | 1989-10-03 |
| 4548139 | Grate for industrial furnaces | — | 1985-10-22 |
| 4520792 | Grate bars for use in the grates of industrial furnaces and the like | — | 1985-06-04 |
| 4239029 | Grate for industrial furnaces | Johannes Martin, Walter J. Martin | 1980-12-16 |
| 4235172 | Grate with compensating means for use in industrial furnaces | Johannes Martin, Walter J. Martin | 1980-11-25 |