Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D254919 | Toy stethoscope | Howard N. Bollinger, Dale I. Goldberg | 1980-05-06 |
| D254678 | Toy lighthouse | John E. Holden, Michael Ledyard, James Swearingen | 1980-04-08 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D254919 | Toy stethoscope | Howard N. Bollinger, Dale I. Goldberg | 1980-05-06 |
| D254678 | Toy lighthouse | John E. Holden, Michael Ledyard, James Swearingen | 1980-04-08 |