Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4863030 | Press-on, twist-off plastisol-lined metal closure | Paul W. Dullabaun, Zbigniew Swierczek | 1989-09-05 |
| 4835035 | Thermoset polymer coating with organopolysiloxane for closure assembly | — | 1989-05-30 |