Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D315446 | Marker case | Charles W. Dietterich, Gregory C. Yehl, Harry J. Lidle, Jr. | 1991-03-19 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D315446 | Marker case | Charles W. Dietterich, Gregory C. Yehl, Harry J. Lidle, Jr. | 1991-03-19 |