Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4545605 | Welded tube and flange, e.g., for exhaust manifold | James E. Gerber, Robert Kovacs | 1985-10-08 |
| 4500030 | Flange weld technique | James E. Gerber, Robert Kovacs | 1985-02-19 |
| 4452705 | Filter device for the softening and/or complete desalination of a liquid, particularly water | — | 1984-06-05 |
| 4294699 | Apparatus for purifying a liquid by ion-exchange | — | 1981-10-13 |