Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D289387 | Signal to be worn on a thumb | Patrick F. McKenna, Jr. | 1987-04-21 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D289387 | Signal to be worn on a thumb | Patrick F. McKenna, Jr. | 1987-04-21 |