Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5356696 | Apparatus and method for sealing edges of corrugated plastic material | — | 1994-10-18 |
| 5304056 | Apparatus for sealing edges of corrugated plastic material | — | 1994-04-19 |
| 5268138 | Method for forming at least one fold line pattern in a rigid plastic material | William Blake | 1993-12-07 |
| 5183672 | Apparatus for forming at least one fold line pattern in a rigid plastic material | William Blake | 1993-02-02 |