Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7966768 | Staking system for growing container | Matthew Markefka, Clifford C. Fay | 2011-06-28 |
| D614992 | Planter container | Matthew Markefka | 2010-05-04 |
| D614994 | Planter container partition | Matthew Markefka | 2010-05-04 |
| D614078 | Staking system for growing container | Matthew Markefka, Clifford C. Fay | 2010-04-20 |
| 7634871 | Growing container and apparatus | Matthew Markefka, Clifford C. Fay | 2009-12-22 |
| 6761212 | Spiral copper tube and aluminum fin thermosyphon heat exchanger | — | 2004-07-13 |
| 5709100 | Air conditioning for communications stations | Daniel Baer, Stephen Sillato, David A. Dukes | 1998-01-20 |