Issued Patents All Time
Showing 1–14 of 14 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9630254 | Tailstock device | — | 2017-04-25 |
| 9421652 | Center frame of CNC machine tool | — | 2016-08-23 |
| 9227245 | Lathe machine for internal bore processing | — | 2016-01-05 |
| 8371195 | Lathe machine | — | 2013-02-12 |
| 7699755 | Isometric exercise system and method of facilitating user exercise during video game play | Philip Feldman, Greg Merril, Jason Grimm, Jeff Schott | 2010-04-20 |
| 7331226 | Force measurement system for an isometric exercise device | Philip Feldman, Greg Merril, Jason Grimm, Jeff Schott | 2008-02-19 |
| D517124 | Game controller | Greg Merril, Philip Feldman, Jeff Schott, Jason Grimm | 2006-03-14 |
| D514627 | Exercise system for controlling a video game | Greg Merril, Philip Feldman, Jeff Schott, Jason Grimm | 2006-02-07 |
| 6979273 | Rotary baseball batting practice device | — | 2005-12-27 |
| D510391 | Exercise device for controlling a video game | Greg Merril, Philip Feldman, Jeff Schott, Jason Grimm | 2005-10-04 |
| 6003866 | Pressure control device of a buoyancy disk game machine | — | 1999-12-21 |
| 5618039 | Batting exercising device for baseball | Ching-Wen Chien | 1997-04-08 |
| 5580047 | Training device for hitting a baseball | Johnson Shih | 1996-12-03 |
| D375316 | Bridge type vertical machining center | — | 1996-11-05 |