Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10850240 | Fluid injection system | David Dubiel | 2020-12-01 |
| 10786788 | Fluid injection system with fertigation basket | David Dubiel, James R. Fontaine | 2020-09-29 |
| 10743463 | Push from behind drop spreader | Randolf Charles Zingo | 2020-08-18 |
| D873865 | Particulate spreader | William James Campbell | 2020-01-28 |
| D855420 | Irrigation injector | David Dubiel | 2019-08-06 |
| D853446 | Controlled-release spreader | David Dubiel | 2019-07-09 |
| D850871 | Fluid additive injector | David Dubiel | 2019-06-11 |
| D849490 | Irrigation injector | David Dubiel | 2019-05-28 |
| 10088059 | Spreader with rotary slide gate | David Dubiel | 2018-10-02 |
| D828494 | Sprayer | — | 2018-09-11 |
| D816721 | Dual slide gate for spreader | David Dubiel | 2018-05-01 |
| 7325667 | Systems and methods for feeding articles to and removing articles from an automatic washer | Keith D. Damick, Bruce K. Ginder, Lowell A. Onderdonk | 2008-02-05 |
| 7114462 | Automated cage cleaning apparatus and method | Daryl Austin, Darryl Keith Dinel, Ronald Potter | 2006-10-03 |
| 6553939 | Method of changing the cages of laboratory animals, and racks for use therewith | Daryl Austin, Gordon N. Leichter, James S. Vordonis | 2003-04-29 |