Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8721142 | Fog lamp and the like employing semiconductor light sources | Chad D. Lambert, James R. McFadden, Ronald O. Woodward | 2014-05-13 |
| 8344623 | Lamp fixture employing semiconductor light sources as a substitute for a sealed beam lamp | — | 2013-01-01 |
| 7677777 | LED apparatus for world homologation | Ronald O. Woodward, Christopher H. Wilson | 2010-03-16 |
| 6166998 | Moulded transducer | John W. Thomas | 2000-12-26 |
| 5230208 | Lawn mower height-adjust systems | Kristoffer Hess, Ronald A. Jackson, Courtney F. Bond | 1993-07-27 |
| D333309 | Lawn mower with bag | Kristoffer Hess, Michael Sirois, Ronald A. Jackson, Martin P. Gierke | 1993-02-16 |
| 5163275 | Pivoting handle mounting arrangement for lawn mower | Kristoffer Hess, Ronald A. Jackson | 1992-11-17 |
| D330210 | Lawn mower | Michael Sirois, Kristoffer Hess, Ronald A. Jackson, Martin P. Gierke | 1992-10-13 |
| 5101617 | Lawn mower flap mount | Kristoffer Hess, Ronald A. Jackson | 1992-04-07 |