Issued Patents 1989
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4866832 | Process and apparatus for closing one end of a tubular bar | Manfred Weinbrecht | 1989-09-19 |
| 4826547 | Process for sealing space between panes of insulating glass and tool therefor | — | 1989-05-02 |
| 4824355 | Preparation of a plastic for its extrusion particularly in the form of a gaged bead intended to be used as a seal and interlayer in multiple glazings | — | 1989-04-25 |
| 4803764 | Apparatus for manufacturing a spacer frame for insulating glass | Uwe Bogner | 1989-02-14 |
| 4804081 | Apparatus for a slipless conveyance of discrete articles | — | 1989-02-14 |