Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D457544 | Plastic film roll | Richard G. Salzsauler, Donald J. Salzsauler | 2002-05-21 |
| 6102313 | Method and apparatus for producing coreless rolls of sheet material and a coreless roll of material | Donald J. Salzsauler, Richard G. Salzsauler | 2000-08-15 |