Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5068839 | Resettable sandglass-type timing device which provides selective timing periods | — | 1991-11-26 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5068839 | Resettable sandglass-type timing device which provides selective timing periods | — | 1991-11-26 |