Issued Patents All Time
Showing 1–23 of 23 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6776108 | Seed planter apparatus and method | Richard J. Crabb, Guntis Ozers, David N. Slowinski, Chad M. Johnson, Donald Johnson +5 more | 2004-08-17 |
| 6742465 | Seed planter apparatus and method | Richard J. Crabb, Guntis Ozers, David N. Slowinski, Chad M. Johnson, Donald Johnson +5 more | 2004-06-01 |
| 6739272 | Seed planter apparatus and method | Richard J. Crabb, Guntis Ozers, David N. Slowinski, Chad M. Johnson, Donald Johnson +5 more | 2004-05-25 |
| 6564730 | Seed planter apparatus and method | Richard J. Crabb, Guntis Ozers, David N. Slowinski, Chad M. Johnson, Donald Johnson +5 more | 2003-05-20 |
| 6401638 | Seed planter apparatus and method | Richard J. Crabb, Guntis Ozers, David N. Slowinski, Chad M. Johnson, Donald Johnson +5 more | 2002-06-11 |
| 6374759 | Seed planter apparatus and method | Richard J. Crabb, Guntis Ozers, David N. Slowinski, Chad M. Johnson, Donald Johnson +5 more | 2002-04-23 |
| 6325005 | Seed planter apparatus and method | Richard J. Crabb, Guntis Ozers, David N. Slowinski, Chad M. Johnson, Donald Johnson +5 more | 2001-12-04 |
| 6109193 | Seed planter apparatus and method | Richard J. Crabb, Guntis Ozers, David N. Slowinski, Chad M. Johnson, Donald Johnson +5 more | 2000-08-29 |
| 5974988 | Seed metering apparatus seed tube | Lisle J. Dunham, Thomas A. Olson | 1999-11-02 |
| 5848571 | Seed singulator assembly for a seed metering mechanism | Thomas A. Olson, Lisle J. Dunham, Stephen D. Berry | 1998-12-15 |
| 5842428 | Vacuum seed metering apparatus having housing openings | Thomas A. Olson, Lisle J. Dunham, Donald Johnson | 1998-12-01 |
| 5839378 | Agitator assembly for a seed metering mechanism | Thomas A. Olson, Lisle J. Dunham | 1998-11-24 |
| 5799598 | Apparatus for sealing a vacuum chamber of a seed metering apparatus | Thomas A. Olson, Lisle J. Dunham | 1998-09-01 |
| 5765720 | Baffle assembly for a seed metering mechanism | Thomas A. Olson, Lisle J. Dunham, Gerald J. Tiedt | 1998-06-16 |
| 5740747 | Vacuum seed metering assembly | Thomas A. Olson, Lisle J. Dunham | 1998-04-21 |
| 5740746 | Seed material dispensing system for an agricultural planter | Donald L. Ledermann | 1998-04-21 |
| 5655468 | Delivery system for an agricultural implement | Donald L. Ledermann | 1997-08-12 |
| 5555824 | Operator controlled pressure applicator for the furrow forming mechanism of a seed planter | Donald L. Ledermann | 1996-09-17 |
| 5515795 | Delivery system for a foldable agricultural implement | Donald L. Ledermann, David D. Flamme | 1996-05-14 |
| 5228522 | Lift assist and cushion spring tool bar wheel for agricultural implements | Roland J. Frase | 1993-07-20 |
| 5024279 | Foldable implement carrier | Steven D. Warner | 1991-06-18 |
| 5009345 | Chute closure apparatus | Michael A. McSweeney | 1991-04-23 |
| 4674578 | Floating marker arm mechanism | Eugen J. Bexten | 1987-06-23 |