Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6341895 | Collapsible container with corrugated edge structure | — | 2002-01-29 |
| 6190366 | Portable, locally washing hygienic device | — | 2001-02-20 |
| 6089271 | Gas relief valve for a container | — | 2000-07-18 |
| 5375930 | Easily openable synthetic resin bag | — | 1994-12-27 |
| 5257865 | Mouth structure for a flexible bag | — | 1993-11-02 |
| 4725329 | Apparatus for manufacturing easy-to open synthetic resin bag | — | 1988-02-16 |
| 4650079 | Easy-to-open synthetic resin bag and apparatus for the manufacture thereof | — | 1987-03-17 |
| 4629071 | Easy-to-open bag | — | 1986-12-16 |