Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4856259 | Appratus for sealing and severing a web of film | Michael T. K. Ling | 1989-08-15 |
| 4856260 | Apparatus for sealing a web of film in a packaging | Michael T. K. Ling | 1989-08-15 |