Issued Patents 1994
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5366574 | Process for assembling insulating glass panes which are filled with a gas other than air | Karl Lenhardt | 1994-11-22 |
| 5350469 | Process and apparatus for assembling insulating glass panes filled with a gas other than air | Karl Lenhardt | 1994-09-27 |