Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5935367 | Apparatus and method for forming handles in plastic bags | — | 1999-08-10 |
| 5568979 | Closeable thermoplastic bag | Larry D. Fifer, Mark F. Kozlowski, Richard E. Leone, Clifford H. Patridge | 1996-10-29 |
| 4854983 | Rotary heat sealing method and apparatus | David A. Bryniarski | 1989-08-08 |