Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4875270 | Method of securing parts to a hollow member | Herbert Krips | 1989-10-24 |
| 4827605 | Apparatus for securing straight tubes between two tube sheets in a pressure-tight manner | Herbert Krips | 1989-05-09 |