Issued Patents All Time
Showing 1–14 of 14 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5215492 | Toy balloon with cool illumination | — | 1993-06-01 |
| 5102364 | Balloon with elastic elongate member supporting a decorative structure | — | 1992-04-07 |
| D311552 | Bathtub toy | — | 1990-10-23 |
| 4496329 | Water jet toy | — | 1985-01-29 |
| 4416083 | Moldable toy vehicle | — | 1983-11-22 |
| 4371171 | Self-contained game | Gary S. Silverman, Robert D. Zera, Robert L. Claussen | 1983-02-01 |
| 4343978 | Structure for use in microwave cooking | — | 1982-08-10 |
| 4281569 | Clay cutting lathe and method | — | 1981-08-04 |
| 4268990 | Toy activating mechanism | — | 1981-05-26 |
| 4240525 | Toy timing device with a slip-stick escapement-like mechanism | — | 1980-12-23 |
| 4214515 | Disposable structure for use in microwave cooking | — | 1980-07-29 |
| 4198780 | Water activated toy | — | 1980-04-22 |
| 4194461 | Door alarm toy | — | 1980-03-25 |
| 4189911 | Toy timing device | — | 1980-02-26 |