Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7612161 | Method for treating extremely small particles of plastic | Daniel L. Witham | 2009-11-03 |
| 7579431 | Method for treating extremely small particles of polyethylene terephthalate | Daniel L. Witham | 2009-08-25 |
| 7380735 | Method for preparing extremely small particles of recycled polyethylene terephthalate | Daniel L. Witham | 2008-06-03 |
| 7040167 | Method and apparatus for detecting holes in plastic containers | David A. Bogstad, Donald W. Miller | 2006-05-09 |
| 6997407 | Decontamination of RPET through particle size reduction | Alison S. Martin, Francis M. Schloss | 2006-02-14 |
| 6553809 | Method and apparatus for detecting holes in plastic containers | David A. Bogstad, Donald W. Miller | 2003-04-29 |
| 5899392 | Decontamination of RPET through particle size reduction | Alison S. Martin, Francis M. Schloss | 1999-05-04 |
| 5353943 | Easy-opening composite closure for hermetic sealing of a packaging container by double seaming | — | 1994-10-11 |
| 4894268 | Stretch blow-molded polyethylene terephthalate wide mouth container and intermediate article | Donald L. Greenwood | 1990-01-16 |