Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4878630 | Guide roller assembly | — | 1989-11-07 |
| 4850543 | Reciprocating device for a lifter rod of an open-end spinning machine | Hans Raasch, Hans-Willi Esser | 1989-07-25 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4878630 | Guide roller assembly | — | 1989-11-07 |
| 4850543 | Reciprocating device for a lifter rod of an open-end spinning machine | Hans Raasch, Hans-Willi Esser | 1989-07-25 |