Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4995412 | Combination walker/cane/quad cane | Doris D. Hirn, Susan L. Breakwell | 1991-02-26 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4995412 | Combination walker/cane/quad cane | Doris D. Hirn, Susan L. Breakwell | 1991-02-26 |