Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7788799 | Linear resilient material variable resistor | Michael D. Rogers | 2010-09-07 |
| 7629871 | Resilient material variable resistor | Michael D. Rogers | 2009-12-08 |
| 7391296 | Resilient material potentiometer | Michael D. Rogers | 2008-06-24 |
| 7190251 | Variable resistance devices and methods | Michael D. Rogers | 2007-03-13 |
| 6911745 | Windmill apparatus | Mervin W. Howenstine | 2005-06-28 |
| 6563488 | Pointing device with integrated switch | Michael D. Rogers | 2003-05-13 |
| 6496178 | Pointing device | Michael D. Rogers | 2002-12-17 |
| 6404323 | Variable resistance devices and methods | Michael D. Rogers | 2002-06-11 |
| 6313826 | Pointing device with non-spring return mechanism | Michael D. Rogers | 2001-11-06 |
| 6252582 | Ergonomic pointing device | Michael D. Rogers | 2001-06-26 |
| 6184866 | Pointing device | Michael D. Rogers | 2001-02-06 |
| 5797276 | Methods and devices for energy conservation in refrigerated chambers | Mervin W. Howenstine | 1998-08-25 |
| 5488835 | Methods and devices for energy conservation in refrigerated chambers | Mervin W. Howenstine | 1996-02-06 |