Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8650759 | Metal demolition shears with indexable, integrated wear plate/piercing tip | Karl Johnson, Clayton Sederberg | 2014-02-18 |
| 8327547 | Metal demolition shears with indexable, integrated wear plate/piercing tip | Karl Johnson, Clayton Sederberg | 2012-12-11 |
| 8146256 | Metal demolition shears with indexable, integrated wear plate/piercing tip | Karl Johnson, Clayton Sederberg | 2012-04-03 |
| 5526683 | Method and apparatus for determining the fullness and emptiness of silos | — | 1996-06-18 |
| 4898679 | Method and apparatus for obtaining ozone saturated water | Seymour Siegel | 1990-02-06 |
| 4753195 | """Non-spooking"" combination bird feeder and shelter" | — | 1988-06-28 |