Issued Patents All Time
Showing 26–37 of 37 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D290226 | Thermoplastic bag pack | George J. Reimann, James R. Gavin, Michael Schneider | 1987-06-09 |
| 4655737 | Method for preparing flat-bottom thermoplastic sack | — | 1987-04-07 |
| 4652253 | Method for preparing flat-bottom thermoplastic sack | — | 1987-03-24 |
| 4597494 | Horseshoe folded and center unwound plastic bags | — | 1986-07-01 |
| 4592938 | Method of producing an internally reinforced thermoplastic film and film and articles produced therefrom | — | 1986-06-03 |
| 4571235 | Methods for preparing flat-bottom thermoplastic sack and systems therefore | — | 1986-02-18 |
| 4554192 | Thermoplastic bag and thermoplastic bag pack | — | 1985-11-19 |
| 4493419 | Thermoplastic bag and bag pack | Randolph D. Prader, Robert T. Maddock | 1985-01-15 |
| 4476979 | Thermoplastic bag pack | George J. Reimann, James R. Gavin, Michael Schneider | 1984-10-16 |
| 4464157 | Method of preparing a thermoplastic bag having reinforced handles | Jack J. Donaldson, Paul D. Heilman | 1984-08-07 |
| 4401427 | Thermoplastic bags and method of making | Franz Bustin, Jack J. Donaldson | 1983-08-30 |
| 4326664 | Thermoplastic bags having stress relief feature at handle connection | Franz Bustin, Jack J. Donaldson | 1982-04-27 |