Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5022681 | Paper pop-up devices and method of making the same | — | 1991-06-11 |
| 4794024 | Stabilizer and rigidified pop-up structures resembling solid polyhedrons | Christopher S. Crowell | 1988-12-27 |
| 4784314 | Decorative paperboard boxes | — | 1988-11-15 |
| 4349973 | Pop-ups and methods of making | John K. Volkert | 1982-09-21 |
| 4337589 | Method of making hinged pop-up items | John K. Volkert, Robert B. Volkert | 1982-07-06 |
| 4336664 | Promotional puzzle | John K. Volkert | 1982-06-29 |
| 4313270 | Item with pivoting pop-up | John K. Volkert, Robert B. Volkert | 1982-02-02 |
| 4212231 | Method of making a promotional novelty device | John K. Volkert | 1980-07-15 |
| 4192596 | Camera with improved shutter arrangement | — | 1980-03-11 |