Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10675569 | Portable water filter | — | 2020-06-09 |
| 10661203 | Enhanced liquid filter bag | — | 2020-05-26 |
| 10307954 | Capped carbon filter assembly | — | 2019-06-04 |
| 4364511 | Closure tie for tubes of film material for enclosing food, a method of forming the tie and apparatus for carrying out this method | Hans-Dieter Wittern | 1982-12-21 |