Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4844630 | Method and circuit arrangement for protection of typewriters or similar machines against consequences of electrostatic discharge | Rudolf Spotka | 1989-07-04 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4844630 | Method and circuit arrangement for protection of typewriters or similar machines against consequences of electrostatic discharge | Rudolf Spotka | 1989-07-04 |