Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6591722 | Book recycling apparatus | — | 2003-07-15 |
| 5950861 | Press-on closure with peelable end panel | Donald J. Roth, Robert W. Fraser | 1999-09-14 |
| 5246134 | Press-on closure with peelable end panel | Donald J. Roth, Robert W. Fraser | 1993-09-21 |
| 5085339 | Reclosable container closure | Donald J. Roth, William M. Heyn | 1992-02-04 |
| 4797244 | Multiwalled container and method of making same | — | 1989-01-10 |
| 4327052 | Process for making containers | — | 1982-04-27 |
| 4309380 | Process for making multilayered containers | — | 1982-01-05 |
| 4304542 | Porous core rod | — | 1981-12-08 |
| 4295811 | Apparatus for making multilayered containers | — | 1981-10-20 |
| 4265852 | Process for forming a plastic article | — | 1981-05-05 |
| 4256449 | Draw-forming of stretchable thermoplastic material into hollow articles | — | 1981-03-17 |
| 4224275 | Process for making containers | — | 1980-09-23 |