Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4306719 | Cores for tennis balls | Robert C. Haines | 1981-12-22 |
| 4305583 | Play ball | Ravi Tandon | 1981-12-15 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4306719 | Cores for tennis balls | Robert C. Haines | 1981-12-22 |
| 4305583 | Play ball | Ravi Tandon | 1981-12-15 |