Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6672780 | Thermal printhead mechanism | Michael Scott Adams | 2004-01-06 |
| 5988425 | Sipper cup | James Keane | 1999-11-23 |
| D330045 | Combined portable holder for artist's material and display cover therefor | Charles W. Dietterich, Rachel A. Ruocco, Leonard Spitzer | 1992-10-06 |
| D315446 | Marker case | Charles W. Dietterich, Richard E. Kenepaske, Harry J. Lidle, Jr. | 1991-03-19 |
| 4991299 | Universal crayon sharpener | Charles W. Dietterich, Harry J. Lidle, Jr. | 1991-02-12 |
| 4286246 | Heat-up/cool-down bimetal timer for electric toaster | Joseph L. Jacques, Jr., Michael D. Smith | 1981-08-25 |