Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4882678 | Data sensing and processing device for scuba divers | Robert R. Hollis, Marvin Ackerman | 1989-11-21 |
| 4838608 | Adjustable beach chair | Karen Hansen-Smith | 1989-06-13 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4882678 | Data sensing and processing device for scuba divers | Robert R. Hollis, Marvin Ackerman | 1989-11-21 |
| 4838608 | Adjustable beach chair | Karen Hansen-Smith | 1989-06-13 |