Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8353147 | Apparatus and method for manufacture of a top opening reclosable bag having a tape formed reclosable seal | Gregory S. Sprehe, William A. Bodolay, Donald K. Wright, Christopher L. Pemberton | 2013-01-15 |
| 6098369 | Apparatus for attaching a reclosable fastener to a flexible material | William A. Bodolay, Donald K. Wright | 2000-08-08 |
| 6059457 | Evacuable storage bag with integral zipper seal | Gregory S. Sprehe, Donald K. Wright | 2000-05-09 |
| 5662576 | Method of manufacturing an improved bag for the cultivation of mushroom spawn and apparatus therefor | Gregory S. Sprehe, William J. Towne | 1997-09-02 |
| 5659997 | Bag for the cultivation of mushroom spawn | Gregory S. Sprehe, William J. Towne | 1997-08-26 |
| 4976811 | Apparatus for sealing film including sealing head with wedge-shaped lower-portion | — | 1990-12-11 |
| 4961805 | A method for severing and sealing sections of material | — | 1990-10-09 |
| 4856989 | Preheater for heat-sealing system for plastic containers | — | 1989-08-15 |