Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8469461 | Universal wheel hub | Omar J. Fakhoury, Joseph A. Brotherton | 2013-06-25 |
| 5660126 | Method and apparatus for no-till planting | Brian E. Freed, David Freed | 1997-08-26 |
| 5124659 | Measurement of pH and specific ion concentration | Frank R. Frola | 1992-06-23 |
| 5081891 | Punch assembly | Gary E. Johnson | 1992-01-21 |
| 5076180 | Trash clearing brush unit for a planter unit | — | 1991-12-31 |
| 5056392 | Punch assembly | Gary E. Johnson, Nils E. Sundquist | 1991-10-15 |
| 5054347 | Punch assembly with improved disassembly features | Gary E. Johnson, Nils E. Sundquist | 1991-10-08 |
| 4989484 | Punch and stripper assembly | Gary E. Johnson, Nils E. Sundquist | 1991-02-05 |
| 4912417 | Measurement of pH and specific ion concentration | Dennis A. Gibboney, Frank R. Frola, Dominick Frollini, Jr. | 1990-03-27 |
| 4414500 | Variable motor speed control | — | 1983-11-08 |