Issued Patents 2011
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7992651 | Wavy disc and coulter with notches | — | 2011-08-09 |
| 7905968 | Method of heat treating cultivating disc, coulter, and seed drill blades made from heat quenched boron steels, such that they can be roller re-edged and re-sharpened, and yet retain excellent toughness, hardness and wear characteristics, and are especially useful in dry sandy soils such as found in certain wheat growing regions | — | 2011-03-15 |
| 7882671 | Multi-layer co-extruded roofing membrane | Greg Sharrun, Richard Peng | 2011-02-08 |
| 7878262 | Notched coulter/disc and method of making same | — | 2011-02-01 |