Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5975781 | Lipstick and method for making same | Walter T. Ackermann | 1999-11-02 |
| 4938679 | Collapsible core for molding closures having interrupted interior threads and the like | — | 1990-07-03 |