Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5201201 | Lockable sealer for end of threaded pipe | William C. Sylvester | 1993-04-13 |
| 4642063 | Space toy construction kit | — | 1987-02-10 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5201201 | Lockable sealer for end of threaded pipe | William C. Sylvester | 1993-04-13 |
| 4642063 | Space toy construction kit | — | 1987-02-10 |