Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11884603 | Process for producing humic acid salts with fluidizing solid phase reaction | — | 2024-01-30 |
| 11242292 | Process for producing humic acid salts with fluidizing solid phase reaction | — | 2022-02-08 |
| 7588612 | Mobile nitrogen generation device | Herman Theodore Marwitz, Terry Wheaton, Brian Chung, David Scheierl, Keith Michael | 2009-09-15 |
| D439005 | Lamp base | — | 2001-03-13 |
| 5197870 | Safety lighter | — | 1993-03-30 |
| 5044933 | Windproof lighter | — | 1991-09-03 |
| 4617842 | Combination can opener | — | 1986-10-21 |