Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10791662 | Twin shaft gardening system | Esther W. Lee | 2020-10-06 |
| 10660253 | Twin shaft system for gardening systems | Esther W. Lee | 2020-05-26 |
| 9867332 | Operationally tiltable counter rotating twin blade mowing deck | Esther W. Lee | 2018-01-16 |
| 6926091 | Counter-rotating twin shaft system for gardening machines | — | 2005-08-09 |
| 6589747 | Method for identifying compounds that modulate the interaction of amyloid beta or its aggregates with a voltage gated sodium channel | Xiao-Dong Sun, Bruce Taylor, Dennis E. Epps, Allen Buhl | 2003-07-08 |
| 5353881 | Counter-rotating twin shaft system for gardening machines | Esther W. Lee | 1994-10-11 |
| 5224552 | Counter-rotating twin shaft system for gardening machines | Esther W. Lee | 1993-07-06 |
| 5101911 | Rotor tiller having counter-rotating twin shafts | Esther W. Lee | 1992-04-07 |