Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4871139 | Portable, knock-down, reconfigurable book stand | Daniel D. Loewke | 1989-10-03 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4871139 | Portable, knock-down, reconfigurable book stand | Daniel D. Loewke | 1989-10-03 |