Issued Patents 1997
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D386092 | Jumbo clock | Thomas R. Steinhagen, John E. Schenken | 1997-11-11 |
| D385204 | Thermometer | Thomas R. Steinhagen, John E. Schenken | 1997-10-21 |
| D384290 | Flip lid alarm clock | Thomas R. Steinhagen, John E. Schenken | 1997-09-30 |
| D383983 | Spot clock | Thomas R. Steinhagen, John E. Schenken | 1997-09-23 |