Issued Patents 1982
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4320423 | Apparatus for automatic repeated reproduction of sound on selected portions of magnetic tape or the like | Ernst M. Frey | 1982-03-16 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4320423 | Apparatus for automatic repeated reproduction of sound on selected portions of magnetic tape or the like | Ernst M. Frey | 1982-03-16 |