Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5320753 | Continuous filter | Peter T. Keillor, III | 1994-06-14 |
| 5138750 | Zipper for reclosable thermoplastic bag | Douglas P. Gundlach, Michael J. Banco, Larry R. Erickson, Marvin J. Kreh, William E. LeBoeuf +4 more | 1992-08-18 |
| 5045264 | Method and apparatus for making extruded plastic film with strips embedded therein of a second thermoplastic material | — | 1991-09-03 |
| 4606230 | Tensile test apparatus embodying novel specimen bar magazine | Richard L. Scott, James K. Rieke | 1986-08-19 |