Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9875728 | Musical key-changing apparatus for stringed instruments | — | 2018-01-23 |
| 7614679 | Tailgate door assist | Glenn Johnson, Justin M. Pallay | 2009-11-10 |
| 7584677 | Trailer jack lock | Glenn Johnson, Kevin Mak | 2009-09-08 |
| 7194878 | Vehicle booting device | Glenn Johnson, Kevin Mak | 2007-03-27 |
| 7059615 | Locking mechanism and method for a mower-sulky unit | Glenn Johnson, Kevin Mak | 2006-06-13 |
| 6692010 | Safety sulky for power mowers | Glenn Johnson, Kevin Mak | 2004-02-17 |
| D450716 | Grass catcher | Glenn Johnson, Kevin Mak | 2001-11-20 |