Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4865573 | Inflatable life vest of the single-attachment, single-adjustment type | Leonard R. Rupertus | 1989-09-12 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4865573 | Inflatable life vest of the single-attachment, single-adjustment type | Leonard R. Rupertus | 1989-09-12 |