Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4808337 | Hot pressing of bellows like canisters | Eric J. Ramm, Wilhelmus J. Bukyx, Alfred E. Ringwood | 1989-02-28 |
| 4806098 | Heat transfer and stabilizing apparatus | Eric J. Ramm, Wilhelmus J. Bukyx, Alfred E. Ringwood | 1989-02-21 |