Patents per Year
Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date | Approx Value ⓘ |
|---|---|---|---|---|
| 5196045 | Substituted pyridine herbicides | Len F. Lee | 1993-03-23 | $36,828,000 |
| 5019153 | Substituted pyridine herbicides | Len F. Lee | 1991-05-28 | $24,514,000 |
| 4936905 | Substituted 2,6-substituted pyridine compounds having herbicidal activity | Maria L. Miller, Len F. Lee | 1990-06-26 | $6,121,000 |
| 4885026 | Certain 3-amino-5-carboxy (or thio carboxy) pyridine herbicides | Len F. Lee | 1989-12-05 | $27,774,000 |
| 4789395 | 5-sulfur substituted pyridine monocarboxylic herbicides | Len F. Lee, Kerry L. Spear | 1988-12-06 | $28,842,000 |