Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7204501 | Universal stowable step | Dan Knodle | 2007-04-17 |
| 7025365 | Elevatable and extendable platform | Dan Knodle | 2006-04-11 |
| 6935647 | Stowable steps | Dan Knodle | 2005-08-30 |
| 6659484 | Stowable steps | Daniel W. Knodle | 2003-12-09 |
| 6466278 | Appliances | Robert G. Harrison, Daniel W. Knodle | 2002-10-15 |
| 6215420 | Keyboard (I) | Robert G. Harrison, Daniel W. Knodle | 2001-04-10 |
| D437837 | Flat screen appliance | Robert G. Harrison, Daniel W. Knodle | 2001-02-20 |
| 5153436 | Temperature controlled detectors for infrared-type gas analyzers | Jerry R. Apperson, Daniel W. Knodle, Lawrence L. Labuda, James T. Russell | 1992-10-06 |
| 5146092 | Gas analysis transducers with electromagnetic energy detector units | Jerry R. Apperson, Daniel W. Knodle, Lawrence L. Labuda, James T. Russell | 1992-09-08 |
| 5007630 | Exercise treadmill | Kenneth G. Real | 1991-04-16 |
| D313826 | Exercise treadmill | James S. Birrell, Timothy O. Armstrong, Kenneth G. Real | 1991-01-15 |
| D303414 | Exercise treadmill | Timothy O. Armstrong, Kenneth G. Real | 1989-09-12 |
| D284597 | Inclined physical exerciser | David Smith | 1986-07-08 |
| 4423299 | Touch sensitive transparent switch array | I. Macit Gurol | 1983-12-27 |