Issued Patents 1997
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D381380 | Sponge ball | Harvey Zelman | 1997-07-22 |
| D378719 | Recreational air mattress | — | 1997-04-08 |
| D378536 | Sponge ball | Harvey Zelman | 1997-03-18 |
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D381380 | Sponge ball | Harvey Zelman | 1997-07-22 |
| D378719 | Recreational air mattress | — | 1997-04-08 |
| D378536 | Sponge ball | Harvey Zelman | 1997-03-18 |