Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4411541 | Ribbon feed and elevating mechanism for typewriters or similar machines | Karl Wenderoth | 1983-10-25 |
| 4198169 | Type disc printer | Walter Stuiber, Heinz Geis, Friedrich Teichmann | 1980-04-15 |