Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7380367 | Snelled fly file | — | 2008-06-03 |
| 7272907 | Method of attaching a leader to a snelled fly | — | 2007-09-25 |
| 6601352 | Insulated attic access cover | Keith G. Obermeyer, David Koch, John R. Twardy, Mark H. Theno | 2003-08-05 |
| 6357185 | Rafter air infiltration block | Keith G. Obermeyer, David Koch, John R. Twardy, Mark H. Theno | 2002-03-19 |
| 5135130 | Safety enclosure | — | 1992-08-04 |
| 5092413 | Method and apparatus for high speed weigh fill | — | 1992-03-03 |
| 4843579 | Weighing and filling method and apparatus | Daniel Ross Cooper | 1989-06-27 |
| 4431070 | High speed precision weighing and filling method and apparatus | — | 1984-02-14 |
| 4394956 | Electric stock prod | Leonard L. Hierath | 1983-07-26 |