Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5535980 | Multilayer injection mold having improved surface properties | Charles Edward Baumgartner, Jamie M. Gutmann, Matthew Frank Niemeyer | 1996-07-16 |
| 5489410 | Molding thermoplastic materials for producing textured articles | Charles Edward Baumgartner | 1996-02-06 |
| 5431367 | Multilayer injection molds having improved surface properties | Charles Edward Baumgartner | 1995-07-11 |
| 5388803 | Apparatus for producing textured articles | Charles Edward Baumgartner | 1995-02-14 |