Issued Patents 1982
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4364176 | Drawing appliance | Irving C. Dudley | 1982-12-21 |
| D265572 | Drawing instrument | David Bredemeier, William P. Richardson | 1982-07-27 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4364176 | Drawing appliance | Irving C. Dudley | 1982-12-21 |
| D265572 | Drawing instrument | David Bredemeier, William P. Richardson | 1982-07-27 |