Issued Patents 2020
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10798965 | Multi-stage filtration device | David Richmond | 2020-10-13 |
| 10709169 | Conical paper fabricator | David Richmond, Manuel A. Montano, Jeffery Scott Kunkler | 2020-07-14 |
| 10532875 | Pressurization apparatus for use with organic leafy materials | David Richmond | 2020-01-14 |