Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D259926 | Housing for alarm device | John C. Crenshaw | 1981-07-21 |
| D257129 | Clock | — | 1980-09-30 |
| D256782 | Travel alarm clock | Roman J. Szalek | 1980-09-09 |
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D259926 | Housing for alarm device | John C. Crenshaw | 1981-07-21 |
| D257129 | Clock | — | 1980-09-30 |
| D256782 | Travel alarm clock | Roman J. Szalek | 1980-09-09 |