Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7977591 | Liquid level monitor including electromechanical float switch having reduced liquid migration into the switch | Mark A. Mantua | 2011-07-12 |
| 6791047 | Toggle switch cover apparatus and method | Michael J. Skarlupka, David Evans | 2004-09-14 |
| 6713696 | One piece toggle switch cover with integral panel standoff and seal receptacle | Michael J. Skarlupka, Nathan Johnson, David Evans | 2004-03-30 |
| 6710273 | One piece pre-molded environmental seal for toggle switch | Michael J. Skarlupka, Nathan Johnson, David Evans | 2004-03-23 |
| 6237722 | "Railroad handbrake ""off"" sensor" | Brady J. Hammond, Kevin J. Engler | 2001-05-29 |
| 6170619 | Manual hand brake sensor for a railroad car | Alan V. Sheriff, Brady J. Hammond, Duane J. Sies, Gary O'Brien | 2001-01-09 |
| RE35566 | Sensor platform for use in machines for washing articles | Jeffrey E. Boyer, Mark J. Brashaw, Timothy K. Erickson, Gary O'Brien, Duane J. Sies | 1997-07-22 |
| 5596408 | Turbidity sensor with replaceable covers | Timothy K. Erickson, Gary O'Brien, Alan V. Sheriff, Duane J. Sies | 1997-01-21 |
| 5485013 | Turbidity sensor with a light aperture arrangement of two openings formed in two parallel plates | — | 1996-01-16 |
| 5446531 | Sensor platform for use in machines for washing articles | Jeffrey E. Boyer, Mark J. Brashaw, Timothy K. Erickson, Gary O'Brien, Duane J. Sies | 1995-08-29 |
| 5426271 | Liquid level sensor | Richard Clark, Timothy K. Erickson, Brian D. Mc Bride, Gary O'Brien | 1995-06-20 |
| 5336861 | Switch with removable button frame | William A. Pick, Ronald R. Sorn, Karl F. Stocker | 1994-08-09 |