Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4653789 | Retrieval tool for semi-obscured articles | Margaret J. Nielsen | 1987-03-31 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4653789 | Retrieval tool for semi-obscured articles | Margaret J. Nielsen | 1987-03-31 |