Issued Patents All Time
Showing 26–39 of 39 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10064323 | Agricultural implement with electro-hydraulic cylinders | Merlan J. Rolffs, John P. Mulherin, Courtney N. Achen, Gary Volz, Steve Nolte +2 more | 2018-09-04 |
| 10051782 | Row unit for an agricultural planting implement | Matthew J. Wilhelmi | 2018-08-21 |
| 10045474 | Weight distribution system for seed planters and product applicators | Marvin Bachman | 2018-08-14 |
| 9901026 | Multiple agricultural product application method and systems | Jon E. Kinzenbaw, Merlan J. Rolffs, Matthew J. Wilhelmi, Derrick Becker | 2018-02-27 |
| 9795077 | Row unit with tracks | Matthew J. Wilhelmi, Susanne Veatch, Rhett Schildroth, Robert Blackwell, Michael J. Myers | 2017-10-24 |
| 9763380 | Row unit with integrated pressure source | Matthew J. Wilhelmi | 2017-09-19 |
| 9756779 | Planter with seed delivery apparatus | Matthew J. Wilhelmi, Marvin Bachman, Michael J. Myers, Vaughan G. Stevenson, Robert Blackwell +1 more | 2017-09-12 |
| 9750178 | Multiple agricultural product application method and systems utilizing drum metering system | Jon E. Kinzenbaw, Merlan J. Rolffs, Matthew J. Wilhelmi, Derrick Becker | 2017-09-05 |
| 9629305 | Multiple agricultural product application method and systems | Jon E. Kinzenbaw, Merlan J. Rolffs, Matthew J. Wilhelmi, Derrick Becker | 2017-04-25 |
| 9622402 | Multiple agricultural product application method and systems | Jon E. Kinzenbaw, Merlan J. Rolffs, Matthew J. Wilhelmi, Derrick Becker | 2017-04-18 |
| 9474201 | Seed disc with integrated drive | Matthew J. Wilhelmi, Merlan J. Rolffs, John P. Mulherin, Courtney N. Achen, Michael J. Myers +4 more | 2016-10-25 |
| 5176710 | Prosthesis with low stiffness factor | David A. McQueen, C. Douglas Pence | 1993-01-05 |
| 5108398 | Orthopaedic knee fusion apparatus | David A. McQueen, Francis W. Cooke | 1992-04-28 |
| 4665792 | Missile longitudinal support assembly | Richard D. Gassler | 1987-05-19 |