Issued Patents 1989
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4885926 | Apparatus for the production of spacer frames | — | 1989-12-12 |
| 4886095 | Process and apparatus for filling an insulating glass unit with filler gas | — | 1989-12-12 |
| 4886410 | Apparatus for the manipulation of spacer frames | — | 1989-12-12 |
| 4854022 | Device for the formation of a corner of flexible spacers for glass plates | — | 1989-08-08 |
| 4836005 | Apparatus for the production of spacer frames | — | 1989-06-06 |
| 4803775 | Device for the attachment of spacer frames | — | 1989-02-14 |